Wu Sicheng, Qi Leming and Gao Feng were college buddies, and Bai Jing'an was Gao Feng's childhood sweetheart, and the four of them became good friends. Gao Feng passed away in an accident, but he will always live in Bai Jing'an's heart. After graduation, Bai Jing'an was urged to get married by her family. Wuscheng was also urged to get married, so the two friends agreed to have a fake marriage.