When Ji-won, a 37-year-old cancer patient, walks in on her husband and best friend, she realizes her whole life has been a lie. What’s worse, she dies a tragic death at the hands of her husband. Would things have been different if she had made different choices? Fortunately for Ji-won, she is given the chance to rewrite her fate when she is reincarnated as her younger self. This time, she vows to live a happy life. But first comes revenge. Her plan? To marry off her now former best friend to her lying, cheating husband.

Set during the Joseon era, Hong Chun Gi is a female painter with genius like painting talent. She is picked as the first female painter of the Dohwaseo. For her, painting is everything. One day, she meets Ha Ram.

When his nephew dies in a plane crash, stunt man Cha Dal-geon resolves to find out what happened, with the help of covert operative Go Hae-ri.

With the Korean peninsula under threat from a devastating volcanic eruption, unlikely allies carry out a secret mission to prevent the disaster.