Question: What movie starring Park Sang-myun started a trilogy of films about a female gang boss?

Context paragraphs:
Abraham Weinberg: Abraham "Bo" Weinberg (January 7, 1900 – September 9, 1935) was a Jewish New York City mobster who became a hitman and chief lieutenant for the Prohibition-era gang boss Dutch Schultz.  As Schultz expanded his bootlegging operations into Manhattan during Prohibition, he recruited Abe Weinberg and his brother George into his gang.  Abe Weinberg would become one of Schultz's top gunmen during the Manhattan Bootleg Wars and was a later suspect in the high-profile gangland slayings of Jack "Legs" Diamond, Vincent "Mad Dog" Coll, and mob boss Salvatore Maranzano.

Seoul 1945: Seoul 1945 () is a 2006 South Korean television series starring Ryu Soo-young, Han Eun-jung, So Yoo-jin, Kim Ho-jin, and Park Sang-myun.  It aired on KBS1 from January 7 to September 10, 2006 on Saturdays and Sundays at 21:30 for 71 episodes.

Ko Chang-seok: Ko Chang-seok (born October 13, 1970) is a South Korean actor.  Ko began his career on stage, performing in plays and musicals for many years before moving on to bit parts in films.  He once earned his living by working on farms and in iron foundries, then acquired fame through his scene-stealing roles in Jang Hoon's films, notably as the movie director in "Rough Cut" (2008), and the Vietnamese gang boss in "Secret Reunion" (2010).  He has since become one of the busiest supporting actors in Korean cinema.

Motorpsycho (film): Motorpsycho or Motor Psycho is a 1965 film by Russ Meyer.  Made just before the better-known "Faster, Pussycat!  Kill!  Kill! " (1965), the film explores similar themes of sex and violence.  This film deals with a male motorcycle gang, unlike the female gang of go-go dancers in "Faster, Pussycat!  Kill!  Kill!"  The film is notable for containing one of the first portrayals of a disturbed Vietnam veteran character.

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.  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.

El Gezeira: El Gezeira ("The Island", Arabic: الجزيرة‎ ‎ ) is a 2007 action-thriller Egyptian film, starring Ahmed El Sakka, Mahmoud Yacine, Hend Sabri and Khaled Elsawy and directed by Sherif Arafa.  In upper Egypt, a gang war for leadership leads to a massacre, killing the mother and wife of the young gang boss and most of his clan.  He avenges them, and controls the whole island for trade in weapons and drugs, and makes illegal deals with the police.

The Saint Strikes Back: The Saint Strikes Back, is a 1939 American crime film, directed by John Farrow.  It marks the second cinematic incarnation of the antihero crimefighting character Simon Templar, alias "The Saint".  George Sanders replaced Louis Hayward, who had played the Saint in "The Saint in New York".  The movie was produced by RKO and also featured Wendy Barrie as female gang leader Val Travers.  Barrie would appear in two more Saint films, playing different roles each time, though not in the next film in the series, "The Saint in London".  This was the second of eight films in RKO's film series about The Saint.

Park Sang-myun: Park Sang-myun (born January 27, 1968) is a South Korean actor.  He is best known for his comic roles, notably in "My Wife Is a Gangster" (2001).

Female gangs in the United States: Female gang members in US street gangs operate within either exclusively female gangs or mixed-gender gangs.  Gangs that allow female recruits include all-women functioning units, coed gangs, and female auxiliaries to male gangs.  Although female gang membership parallels male membership in many ways, female members and gangs exist and operate in unique ways.  The body of research on female gang membership is much less comprehensive than that of male membership, but researchers like Chesney-Lind and Hagedorn are advocating that this topic be studied more extensively and in its own right.

George Musey: George Musey, also known as "one-armed George Musey", was an associate mob boss in Galveston, Texas, during the 1920s and early 1930s.  He, with the "Beau Brummel of Galveston" Johnny Jack Nounes, led the Downtown Gang, one of the two gangs which controlled Galveston underworld until the early 1930s.  Musey was the gang's top enforcer and would not let anyone ruin the rise of the Downtown Gang.  Bootlegging was his specialty, therefore, when the law would arrive to seize the illegal hooch, Musey always escaped.  However, he was convicted on conspiracy liquor charges and sent to Atlanta Penitentiary.  He went on to head the gang as Nounes's absence was in effect due to his prison terms.  He was the only right-hand man to gang boss Nounes and he was the best acting boss the gang ever had.  He was later assassinated in 1935, eight days after his 35th birthday.

Supporting paragraphs: Park Sang-myun My Wife Is a Gangster
Answer: My Wife Is a Gangster