Financial genius Gu Weiwei was forced to marry Mu Yunchen, the rumored cruel and cruel CEO of Mu Corporation, in place of her younger sister. A contracted marriage, everyone gets what they need - she to protect herself, and he to block the arrow. Unexpectedly, after the marriage, Mu Yunchen discovered that this seemingly weak wife could easily resolve business crises, and Gu Weiwei also discovered the secret of this "tyrant" husband secretly funding the orphanage. As the two gradually fell in love, the conspiracy of Gu Weiwei's stepmother intertwined with the mystery of the death of Mu Yunchen's parents. Facing the ensuing crises, can they find true love in a fake marriage?