On her wedding night, Su Wanning discovers that her husband, Lu Xingzhou, has brought his drunken first love, Shen Zhiwei, into their bridal suite and is taking care of her. Faced with her husband's favoritism and lies, Su Wanning calmly walks away and sets off on her honeymoon, secretly gathering evidence along the way. As Shen Zhiwei repeatedly provokes her under the pretext of a mysterious family background, Su Wanning joins forces with her family to uncover the truth. In the end, she exposes the lies, decisively ends her marriage, and starts a new chapter in her life.