Kang Ji-won, terminally ill,

is murdered by her cheating husband and best friend.

She then miraculously travels back to 2013, determined to change her fate by having her best friend marry her husband instead.

Her manager, Yoo Ji-hyuk, also a time-traveler in love with her, helps protect her. After orchestrating the unwanted marriage, Ji-won and Ji-hyuk face new threats from Ji-hyuk’s ex-fiancée, who conspires with the disgraced couple.

Ultimately, they succeed in transferring their misfortunes, leading to the villains’ downfall and a peaceful, happy life together.