Lian Keyi, the daughter of the Lian family, pursued love in a high-profile way and accidentally became friends with Gan Qi, but she didn't know that the man she fell in love with was Gan Qi's husband. At the same time, a valuable watch raises doubts about his identity, and Meng Yan's carefully maintained ordinary identity is in jeopardy. Sister Gan Qi calculates every step of the way, and the game escalates in an all-round way. Lies and sincerity face the ultimate test at the same time. Where will this first marriage go?