Mo Xuanyu is the daughter of the famous family Mo in Haicheng, she is beautiful and gentle, and smart and wise, and there is a persistent and stubborn soul hidden under the delicate appearance, she is never pampered and arrogant, has her own unique emotional outlook, and has an unchangeable obsession with love, family affection and friendship. Hao Sijun is the only son of the wealthy Hao family in Haicheng, he was stubborn and uninhibited when he was a child, grew up abroad, was outstanding but indifferent, and was unwilling to go home to get involved in the family business, because of the hundred-year marriage contract, he did not hesitate to turn his face with his father. When he was about to leave, he saw the slim Mo Xuanyu, awakened his hot emotions, and began the journey of chasing love, it turned out that the two had a century-old marriage contract, although they had gone through many hardships, the two were injured, but the love was destined, who could escape.