The story of four ex-cons struggling to reintegrate into society – Tiger is a former gangster who took the rap for his boss Blackie; Mad Dog is a serial criminal who has apparently been convicted of every single offence in the Penal Code except for 'unnatural sex'; Panther was betrayed by his partner during a robbery attempt; while Jian Ren was a soon-to-be groom convicted of sex with an underage prostitute during his bachelor's night party.