A teacher's life is turned upside down when his girlfriend leaves him. With the help of his two friends, he attempts to win her back, all the while, getting himself in all sorts of embarrassing scenarios.Dan (Davies) is a childish idiot trapped in an adult's life, helped along by his uniquely dysfunctional best friends, Jo (Conaty) and Brian (Wozniak). His inability to navigate the simplest of life's tasks, whilst a listless teaching career and daily humiliation and torment by his Father (played by the late Rik Mayall), conspire to keep this Man Down.