Qin Chuan, who had been a soldier and had been in prison, returned to Haizhou ten years later but became a gold medal technician, and secretly protected the beautiful boss Song Yao. When everyone mistakenly thinks he is just an ordinary man, they find that his opponents are falling one after another. \nIt wasn't until the 80th birthday banquet of Old Man Qin that an old general visited, and everyone knew that the man they saw as an indisputable man was once the important weapon of the country!