Frederik wants to impress his cousin, Klara, by pretending to be the legendary escapologist, Harry Houdini.However,Klara only wants to keep Frederik on the leash. The two children agree to a compromise which they call “Houdini slave”. The Houdini slave is obliged to subject himself to all sorts of dangerous feats, such as allowing Klara to bury him in sand on the beach. There’s no way out of this trap; nevertheless, when Klara returns, Houdini has gone.