One night on his popular radio show, he suggests to a caller that the successful young singles should be shot. Those words come back to haunt him when the caller does just that. Three years later, his career in tatters, drinking heavily and living above a video store with girlfriend, Anne, Jack is struggling and so decides to end it all. He is saved by a homeless man called Parry, who has two big dreams: to win over the girl of his dreams, the shy and awkward, Lydia and to get his hands on The Holy Grail, which is in the castle home of a businessman. Jack soon discovers that Parry is the victim of the caller and so he decides to help him any way he can.