Su Han transmigrates into the body of the Su family's fake heiress, only to wake up to a deadly predicament: the entire Su family is facing execution of all nine generations because of a palace power struggle. Just when she is overcome with despair, the real heiress, Su Nian, shows up to reclaim her identity. Su Han only wants to surrender her position and save her own life, but Su Nian is obsessed with household intrigue, stealing her identity, taking her engagement, and even trying to marry her off into a living hell. Su Han joins forces with her fiancé, Jiang Zhou, to carefully set their plans in motion, using an aristocratic family banquet to reveal the truth about the real and fake heiresses to the entire city. On the day of the wedding, officials from the Dali Temple arrive to arrest someone. Su Nian finally suffers the consequences of her own greed and wickedness, while Su Han successfully escapes her fate and begins a new life alongside Jiang Zhou.