Adapted from the Korean webtoon of the same name, this drama tells the story of Misa Kobe (Fuka Koshiba), who has cancer. After witnessing her best friend Reina Esaka (Sei Shiraishi) cheat with her husband Tomoya Hirano (Yu Yokoyama), and then being killed by her husband, she suddenly transmigrates ten years into the past. Together with Wataru Suzuki (Takeru Satoh), a superior at the same company, she sets out on a path of revenge.