George More O'Ferrall directs this comedy set around the world of horse racing. Terence Morgan stars as Sir Charles Hare, a wealthy Irishman who loses a bet and is forced to give up his estate, including his prized racehorse, to tough bookie Hardwicke (Ivan Samson).

University lecturer Norman Taylor earns the enmity of his colleagues when it is rumoured that he has obtained a major promotion. However, this is no ordinary professional jealousy; someone is using the occult to try and ruin Norman's life. After his own wife falls prey to the powers of darkness, Norman is forced to do battle with demonic forces which bring him to the verge of Hell itself.