Disco Pigs is a 2001 Irish coming of age romantic crime film directed by Kirsten Sheridan and written by Enda Walsh, who adapted it from his 1996 play of the same name.
[1] Cillian Murphy and Elaine Cassidy star as two young people from Cork who have a lifelong, but unhealthy, friendship that is imploding as they approach adult life.
[2] The film revolves around the intense relationship of the two teenage protagonists, Darren (Cillian Murphy) and Sinéad (Elaine Cassidy), who call each other "Pig" and "Runt", respectively.
As their birthday draws closer, Pig becomes more volatile and violent, and his new feelings become obvious to Runt when he kisses her after a rampage at a nightclub.
With the cooperation of her parents and Pig's single mother, Runt, considered the more adaptive of the two, is sent away to a boarding school.
Even though Runt is paralyzed with uncertainty and fear at the boarding school, unsure of how to live her daily life without Pig, she starts to adapt, even befriending another girl.