Han Yi-ju isn't sure where her life went wrong. Once the heiress to a wealthy business magnate, she's now an ordinary housewife whose main concerns are her nagging in-laws and household chores. Things take a much more tragic turn, however, when she finds her husband confessing his love to her stepsister and being accused for crimes her step-mother committed. Devastated, she runs away, only to be hit by a car and killed. But when she opens her eyes, she finds that she's awakened a year ago in the past, before her life went awry. Given a second chance at life, Yi-ju vows revenge on the people who wronged her.