Four years ago, Sheng Huainan and Lin Wenning slept together. Lin Wenning later gave birth to twins, a boy and a girl, but her stepmother secretly sent the children away to conceal the family's shame. Four years later, Lin Wenning mistakes someone else's blind date for her own and unexpectedly ends up on a date with Sheng Huainan. Unable to resist the adorable twins' persistent pleas for him to get married, Sheng Huainan decides to conceal his identity and secretly marry her at first sight. Little does he know that Lin Wenning is actually the biological mother of both children.