Noh Ki-jun (Lee Dong-wook), a distinguished insurance actuary, embarks on developing a groundbreaking divorce insurance product after enduring three personal divorces. Collaborating with Kang Han-deul (Lee Joo-bin), an underwriter reshaping her life post-divorce, and An Jeon-man (Lee Kwang-soo), his risk-averse childhood friend, the team delves into the intricacies of love, marriage, and separation within the insurance industry.