Kang Ji-won, a terminally ill cancer patient, is killed by her husband and best friend after she witnesses them having an affair. She wakes up 10 years before the incident and decides to seek revenge with the help of Yu Ji-hyuk, a director at the company where she works. Now, she must reclaim her fate and eliminate the trash from her life.
Ji-hyuk confesses his feelings to Ji-won, but she has no time to contemplate her own emotions for him. As Ji-won attempts to overcome her destiny and confront forces opposing the original direction of her fate, her name is ultimately omitted from the proposal. Ji-hyuk empowers Ji-won to take a stand and fight, while Ji-won recalls a future known only to her.