Gosbert Klee and Thilo "Abo" Abogast are anything but down on their luck. Nothing in their pockets, nothing on their minds and nothing but trouble to boot! But just as Gosbert's caravan has been blown up in an accident and Abo is being pursued by a bailiff, fate seems to give them another chance: by chance, the kidnapped multimillionaire Lorenz Kellermann falls into their hands. A really good opportunity to collect the ransom themselves - but there are a few other bad guys involved....