Ricky is a street kid - sharp, quick and usually up to no good. When he tries to steal from the wrong people, he is saved by a mysterious man called Felix who makes Ricky a compelling offer: a flat and a hundred pounds a week. All he has to do is take lessons from Felix. The lessons turn out to be in surveillance and hand-to-hand combat When he tries to steal from the wrong people, he is saved by a mysterious man called Felix who makes Ricky a compelling offer: a flat and a hundred pounds a week. Soon Ricky finds himself learning about surveillance techniques, how to make himself invisible in a crowd and hand to hand combat.