My Wife Is a Gangster (2001)

Eun-jin has earned her reputation as a formidable force in the male-dominated criminal world, effortlessly commanding respect with her signature blades. Her life takes a surprising turn when she reunites with her long-lost sister, whom she was separated from in their childhood at an orphanage. As they reconnect, her sister reveals a heartfelt final wish: to see Eun-jin happily married. Torn between her fierce gangster life and her sister's request, Eun-jin embarks on an unexpected journey that challenges her views on love and loyalty.