Li Su waited for half a year for her missing fiancé Huo Zhenzhou, but what she waited for was his return with his new wife Zhou Motang after losing his memory. Heartbroken, she was seduced by Huo Zhenzhou's younger brother Huo Xuanye, and she became his wife in a flash marriage, binding them to each other in the name of a substitute. After the marriage, Huo Xuanye's sincere protection was intertwined with Zhou Motang's repeated frame-ups. Li Su gradually fell in love with the pain, but was retaliated by Zhou Motang's father and injured his leg. In the end, Huo Zhenzhou regained his memory, Zhou Motang's lies were exposed, and Li Su recovered with Huo Xuanye's company. The two took off the shackles of avatars, held a grand wedding, and gained a happy love.
