After discovering her husband and best friend in a compromising position, Jiwon, a cancer patient at 37 years old, realizes that her entire life has been a false pretense. Tragically, Jiwon loses her life due to her husband's actions. Could Jiwon's fate have been different had she made different choices? Luckily, Jiwon is reincarnated as her younger self and given a second chance to alter her destiny. Her primary goal this time around is to live a joyful life. However, before that can happen, she seeks revenge against her husband and best friend by arranging their marriage.