Athens, Greece, 1973: A man flees to England after betraying his friends to the secret police while under torture. Bristol, England, 1974: A man with huge gambling debts and no prospect of repaying them decides to end it all. The two strangers meet by chance when one dissuades the other from jumping to his death from the Clifton Suspension Bridge. Both men harbour a guilty secret and live in fear of discovery by their respective pursuers. They unwittingly become bound together in a plan to ensnare a notorious criminal, each unaware of the other's involvement. As their pasts begin to catch up...