Humourous. Strong language. In Cornwall, Tim Lake lives a simple life with his family, but he is awkward with girls and unlucky in love. At the age of twenty one, his father discloses a family secret to him, telling him that the men in his family have the ability to travel in time. The skeptic Tim finds that his father is telling the truth and when he moves to London to work as a lawyer, he falls in love with Mary and seduces her fixing his mistakes in the relationship by travelling back in time. During his life, Tim uses his gift to fix not only his mistakes, but also the lives of his relatives and friends.