Plot: Adapted from the 2021 romantic webcomic Nae Nampyeongwa Gyeolhonhaejweo by Seong So Jak, Marry My Husband tells the story of Kang Ji-won, who learns she has cancer. Hoping to spend her remaining time with her husband, she is shocked to discover he is having an affair with her best friend. The series then takes an unforeseen twist.