Gu Yuxi, the legitimate daughter of the Gu family, seeks to win the exclusive favor of her fiancé Xiao Yingjun. She goes to a late-night private school to learn the art of managing a husband, but is instead misunderstood as having an affair with the school's master, suffering humiliation and oppression. She joins forces with the second young lady of the Xiao family and the police patrol captain to clear her name through many hardships. However, her heart has long died toward Xiao Yingjun. By the time he finally wakes up, only a difficult path to win her back remains.