Rong Rong, the eldest daughter of the Rong family, was born when her father's business failed, and she was fostered by her grandparents since she was a child. After the birth of their youngest daughter, Rong Cai'er, the family's situation began to change. Her father had a successful career and was especially doting on his youngest daughter. When the girl who lacks love grows up, she meets Tang Xiaochuan, who has a warm and charming personality. When she is confused, she discovers that he is her sister's boyfriend. However, Nan Xiaochuan was confused by Rong Rong's attitude, so the heroine was torn between love and family affection. At this time, the male protagonist who is a little cold and a little evil appears, and the two people's similar personalities bring them closer and closer. The man proposed marriage quickly, but after a short period of sweetness, he discovered that he had a one-year love contract. It turned out that the man was also deeply attracted to his sister, and being with the woman only cleared the way for his sister's love life. Due to an accident involving a good friend, the heroine felt that time was in a hurry, so she agreed to the hero's unreasonable request. The male protagonist, who was the heroine's savior when she was a child, started an unjust and unjust marriage with the heroine, causing turmoil one after another...