What movie starring Park Sang-myun started a trilogy of films about a female gang boss?
Park Sang-myun:  He is best known for his comic roles, notably in "My Wife Is a Gangster" (2001). My Wife Is a Gangster: My Wife Is a Gangster () is a 2001 South Korean film directed by Jo Jin-kyu; it's about a female gang boss who needs to get married to fulfill her dying sister's wishes. My Wife Is a Gangster:  A sequel, "My Wife Is a Gangster 2", was released in 2003, with a third ("My Wife Is a Gangster 3") released at the end of 2006.
My Wife Is a Gangster