Lu Zeyan, the unruly heir to the Lu family, carefully planned a marriage with the "docile little woman" Su Nian'an as a pawn in order to cope with the family's pressure to marry and control the business chess game.
Unexpectedly, in order to help her sister protect her true love, her twin sister Lu Qingyue resolutely married into a wealthy family in her sister's place, and stepped into this scam as "Su Nian'an".
When a mastermind genius meets a romantic young man, a ridiculous and undercurrent marriage game begins.