Dandan (Xu Lu) has been an orphan since childhood. She is eccentric and ambitious. After entering Pei's mansion, Pei Pei (Bi Wenjun) makes things difficult for her, and Dandan responds to her every move. A series of hilarious stories happen. Pei Pei gradually falls in love with her. But a conspiracy reveals the grievances of eight years ago, and Dandan and Pei Pei's life has just begun...