"Tonight is the night!" Zhen Hao eagerly prepares to spend his wedding night with his beautiful new wife, Fu. However, to his surprise, he finds his stern father-in-law, Mr. Shen, in bed instead. It turns out that whenever Zhen Hao tries to get intimate with Fu, she mysteriously transforms into Mr. Shen, as if it were a protective mechanism. As Zhen Hao grapples with this bizarre situation, he uncovers hidden secrets about his supposedly detestable father-in-law and starts developing unusual feelings towards him.