On her way home, the protagonist, Jung Yuna, gets into a traffic accident.
And just when she thought she had died... she opens her eyes to find herself in a splendid bedroom?!

Observing for about a week, she realizes that the person she has possessed was the notorious villainess from the novel she had read before her death, "The Lady of the White Rose."

Not only that, but she was the ultimate villainess who only did wicked things to the heroine and ended up dying at the hands of the male lead!
Can Elena successfully avoid her novel's fate?