Revolver (2005)

Complex crime thriller. A terminally ill con man is released from prison after seven years inside for a crime he did not commit. The ex-con takes revenge over the gangster who framed him by thrashing him in a high-stakes game of poker. Having humiliated his enemy and won his money, the con man finds himself on borrowed time as the disease takes its toll and the gangster's heavies set out to kill him.