Victim of the breakdown in trust and communication between his estranged parents 12 year old Sem de Rijn has not seen his father for 6 months when he arrives at his school one afternoon and offers the boy a holiday. They run away together driving through Holland and Belgium, camping out and generally having the kinds of adventures a boy dreams of until pursued by the police and torn between his love for his mother and his father, Sem and his father return to face the music.