"Martin" (Griffith Jones) is driving home one evening when he picks up two hikers. Once in his car, he realises that they are those wanted by police having just escaped from prison. They don't know he knows, and so are rather taken aback by his proposal. He will give them money and a path out of the country - if they agree to murder his wife "Kay" (Maureen Connell). The more brutal of the two - "Connors" (Marc Lawrence) readily agrees and his sidekick "Sven" (George Mikell) is soon on board as they arrive at his home where he concocts a plan to get their money whilst they do the deed. Of course...