A debauched cop attempts to solve a murder, earn a big promotion and win back his estranged wife in this black comedy that will leave you breathless. But the harder he tries to get a grip on things, the further his future seems to slip out of reach., A debauched cop attempts to solve a murder, earn a big promotion and win back his estranged wife. But the harder he tries to get a grip on things, the further his future seems to slip out of reach., A bent Edinburgh cop slips further into insanity as drugs and a life of depravity take their toll. Dark comedy., James McAvoy stars in director Jon S. Baird’s outrageous dark comedy based on the book by Irvine Welsh, and centered on the exploits of a debauched cop on a mission to crack a murder case, earn a big promotion, and win back his estranged wife. Detective Sergeant Bruce Robertson (McAvoy) is unlike any cop on the force. A pervert, a drug addict, and an irredeemable jerk, he thinks he’s in control, even as his life spirals into oblivion. Now, in order to earn a major promotion, Detective Robertson will actually have to work, instead of hustling his way though each day in a haze of drugs and alcohol. Meanwhile, the harder he tries to get a grip, the further his future seems to slip out of reach. Jamie Bell, Jim Broadbent, Imogen Poots, Shirley Henderson, and Joanne Froggat co-star., A scheming, corrupt and bigoted police officer Bruce Robertson will do anything to get a promotion. He sets about ruining his colleagues to ensure the promotion is his but he soon discovers that his constant lies and corruption may catch up with him. Can Robertson maintain his hold on reality for long enough to achieve his goals or will he not be able to disentangle himself from the “Filth”.