He Qing kindly takes in her newly graduated cousin Xu Ying, only to have Xu Ying and her boyfriend occupy the nest like the turtledove, changing the locks to drive her out and even using He Qing's house as a dowry for their wedding. Unable to bear it any longer, He Qing calls the police to fight back, but as a result gets embroiled in cyberbullying and betrayal by her own family. As the conflict escalates, she accidentally discovers that the aunt she always viewed like a mother is actually connected to her childhood abduction. A farce over a seized house ultimately uncovers the truth of her family background sealed away for many years.