Zwei Familien auf der Palme.

Vacation in Mauritius! Frank Kowalski simply treats himself to one with his wife Sandy and son Jochen. When the Ossi happens to save the blasé Renate von Zangenheim from a purse snatcher, her husband Hubertus wants to return the favor with a dinner. But the subsequent trip on the Protzwessis' yacht ends fatally in a fiasco. Shipwrecked, both families end up stranded on an uninhabited island...