Before her marriage, Yuka retired from being a detective, but her skills were highly valued, and she continues to protect the safety of her community as a full-time housewife, working as a jeans detective. However, while juggling her work as both an investigator and a housewife, she feels lonely as she misses her husband. One night, after dropping off her drunk husband, she ends up having a relationship with her husband's old friend, Mori, by chance. At the same time, underwear thefts are occurring frequently in the neighborhood. After accepting the request and investigating, Mori appears on the radar...