3,2,1 … Frankie go Boom follows Frank Bartlett (Charlie Hunnam) who has been tortured, embarrassed and humiliated by his brother Bruce (Chris O’Dowd) – usually on film - for his entire life. Now that Bruce is finally off drugs and has turned his life around, things should be different. They are not. 3,2,1 … Frankie go Boom is a comedy about two brothers a girl with a broken heart, a sex tape, an angel and a pig.