A Polish soldier panicked and pushed open the door of an office, and General Portnowski, commander of the Pomeranian Legion, was now in a requisitioned room, directing his army of hundreds of thousands to retreat. The Germans were in hot pursuit with him, causing his legions to lose heavy losses every day of their retreat, but he knew that he could not stop to rest and recuperate, otherwise his corps would be divided and surrounded and annihilated one by one.

The Luftwaffe used napalm, a new weapon, on permanent fortifications in northern Poland, and in one fell swoop conquered the impenetrable Polish defensive line, 110,000 Wehrmacht troops crossed the Polish line to the south, the Modlin Corps was completely crushed, and the 230,000 Polish defenders became prisoners of the German ranks.

Further north, the Polish regiment of Narev was driven by German troops all the way to the east of Warsaw, farther and farther away from its own capital. Moreover, because of the attack of the Soviet army, the Narev regiment has been transferred half of its men to support the southeastern border, and it has no combat capability.

In addition, the Pomeranian Corps, which was originally deployed in the Danzig Corridor, that is, the troops under the command of General Poznański himself, retreated all the way to the flank and rear of the Poznan Corps, and he originally hoped to use the help of the Poznan Corps to stabilize his defensive line, but unfortunately this idea has now failed.

Because just one day earlier, the German troops had formed a pincer offensive in the center, encircling the Polish army on the north-central border in one go, and the Poznan Corps, the main Polish force in the north of the central defensive line, was completely annihilated, and a full 500,000 people were captured.

In this way, in the northern regions of Poland, there was no longer a single field army that could stop the advance of the German army, so Portnowski, as the commander-in-chief of the front appointed by the Polish government, came up with his vital plan to save Poland.

Not all resistance was futile, the Poles continued to resist the German attack in various areas, and in the far north, in Gdynia in the Danzig Corridor, the Polish army stubbornly held its ground, using old shore artillery to repel the German fleet and sink a German destroyer.

On 22 September, a Polish sniper made his first major Polish victory since the start of the war in the north: he shot and killed a German officer he had seen 200 meters away. The officer he killed became the highest German officer killed since the beginning of the war.

Walter von Flitsch was a high-ranking army officer from the Junker aristocracy, who had been promoted to major general on the rise, but because he was very dissatisfied with the purge of the Junker nobility and Accardo, he was demoted by the military department again and again, and was sent to the front-line artillery unit as a commander.

The hapless Major General Flitsch, fearing that the expensive aristocratic custom military dress would be stained with dust, refused to hide while inspecting the front-line positions, and died from the bullets of Polish snipers, and by the time his adjutant and several soldiers dragged the bulleted Flitsch back to the trenches, he had already died of blood loss.

These achievements encouraged the Polish resisters, who, despite the heavy casualties, continued to desperately hold on to the German advance, and despite little success, they did continue to hold on with tenacity, and continued to look forward in despair to the promised attack on Germany by their allies, France and England.

On September 21, 1937, the French did attack the German border. They sent seven divisions and fired more than 50 rounds of large-caliber artillery shells at the edge of the Siegfried Line, but then they were driven back to the border by the German troops. Such an attack on the German Western Front did not take place, let alone the transfer of troops from the Polish regions for this purpose.

The British disappointed the Poles even more, sending Royal Air Force bombers, distributing leaflets on the German border near Belgium, dropping about 20 tons of aerial bombs and destroying a farmhouse. The planes then scattered and fled under the help of the Luftwaffe FW-190D fighters, and in order to speed up their escape, they dropped the bombs that had not been dropped on Belgian territory.

"Sir, your plan has been approved by Warsaw!" the soldier turned and walked out of the office after handing the telegram in his hand to General Potonski. And in the office, there were liaison officers of the Air Force, several army commanders, apparently holding a small meeting.

"Our main force must continue to move south. Portnowski described his detailed plan: "This will allow the forces of the Lodz Corps, a makeshift corps, to go south and cut off the supply lines of the southern German army." ”

He pointed to the map and said to his generals: "In this way, together with the still holding out of the Qianshan Army, we can inflict heavy damage on the troops deployed in southern Germany." ”

"The advantage is that once we have achieved this objective, the southern German army will stop attacking, and the Lodz and Qianshan regiments will have the opportunity to withdraw to Warsaw, so as to gain favorable conditions for continuing the war. He concluded.

"Now we can only gather about 140 fighters, if all of them are put into this operation...... Will it be ......" An air force raised his own question, the combat effectiveness of the Luftwaffe in recent days was unheard of by this air force liaison officer, and even in some areas, the Luftwaffe played a super high record of 20 to 0.

"Even if these fighters fly back to Warsaw, they won't be of much use!" Portnowski shook his head and said: "It's better to concentrate and use it to ensure local air supremacy in the southern offensive combat area!"

"In terms of tanks and cars, we have almost all the equipment we can get our hands on. Another major general said: "We have 79 tanks, and counting the 110 tanks of the Lodz Corps, the number of tanks that can be immediately joined into the battle is about 189." That's the biggest we've put together. ”

"Find a way to round it up and send it to the commander of the Rhodes Legion. Portnowski thought for a moment and said, "In addition to 5,000 cavalry, as many automobile troops as possible." The German army was a mobile force of cars and tanks, and it was impossible to defeat them if we could not move as fast as they did. ”

"But even if our army cuts off the supply of armored troops from the German army into the southern region, it will not be able to eat the encircled German army. "An officer raised his own question, and it was clear that this was indeed a fatal problem, the combat effectiveness of the 30,000 German armored troops that entered the encirclement, that is, the First Panzer Army commanded by Guderian, could not be underestimated, and Poland really had no good way to eat this huge army.

"At that time, we can only hope that the German reserves will not be able to rescue in time, and that our Qianshan Corps will storm the German army on the other side. "Portnowski gave his hope of victory to the Qianshan Army, which was now too busy to take care of itself, and to the main mechanized army that had not yet been formed.

Even he himself did not quite believe that the Germans would be defeated so lightly. In a real case in the north, when the retreating Polish troops panicked and blew up a bridge, it took just over two hours for the Wehrmacht engineers to erect a pontoon bridge over the river that would allow tanks to pass through guò.

In the north, Rommel's forces taught the world a lesson in blitzkrieg. The tank units went on without fear around the fortress garrisoned by Polish soldiers, and then hordes of Stuka bombers appeared in the sky, screaming and swooping down from high altitudes to bombard the Polish defenders, and then the infantry that followed drove the poor defenders out of the rubble and annihilated them—the Germans seldom stopped except when they ran out of fuel.

Portnowski knew that his best efforts would be futile in the face of such a well-trained and well-equipped army, but as a Polish soldier, he still had to stand up and make some insignificant efforts to resist the invaders when his homeland was invaded.

In fact, on the surface, the battle plan drawn up by Portnowski still has a certain degree of feasibility. When the northern battlefield is irretrievable, concentrating superior forces in the southern battlefield for a decisive battle can be said to be a panacea for the revival of the Polish war situation, and if successful, at least the Qianshan Army can be transferred to stabilize the northern region of Dìng and keep Warsaw and other major northern cities.

However, there is no perfect battle plan in this world, and it is obvious that this plan also has various drawbacks, the two main problems being the defense of Warsaw and the achievement of the objectives of the southern campaign. If Warsaw had been conquered by the Germans first, the Polish army in the south would have collapsed, or the Polish army fighting in the south could have been declared over earlier if the Polish army fighting in the south had not inflicted heavy losses on the Germans.

Therefore, Portnowski clearly knew that the decisive battle in the south that this plan eventually set off could be said to be a fateful war between Poland and Germany. The national fortunes of the two countries are tied to the victory or defeat of this battle.

The Polish troops, having received the order, did not rest, and after collecting some ammunition, they began to move south in batches, hoping to join up with the Lodz corps in central Poland, so that the entire Pomeranian corps became weaker.

Of course, the Lodz Corps also took out the best they could, and about 110 French TF-17 tanks (most of these tanks were Polish imitations, which were slightly more powerful than the original foreign models after improvement) began to deploy south, ready to challenge the German First Panzer Army under Guderian's command.

And just as the Polish army was not ready to give up a last resort, most of the Polish leaders were packing their bags and preparing to flee to England. The titular commander-in-chief of the Polish armed forces, Field Marshal Leeds Schmigli, fled to Romania with the money without informing either his government or his army.