Su Yueqing (the mother of the heroine) and Lin Yanche (the father of the heroine) fell in love at first sight, but the relationship between the two families was not good, and Lin Yanche's mother hated the Su family. Su Yueqing had to change her surname and enter the palace. Unexpectedly, Lin Yanche's mother found out. She waited for Su Yueqing to give birth to a child and drugged her to death. When the heroine grew up, she swore a poisonous oath to avenge her mother...
Intention: Tooth for tooth, eye for eye