Hypochondriac Hermann Ladner is invited on a Mediterranean cruise by his late wife's brother, Heinz Wucher. However, Heinz gambles away the money for the tickets and Hermann sets off for Italy in his caravan. Heinz, meanwhile, has sneaked into the caravan and travels along as a blind passenger.
Small war among pensioners: The charming chaotic Walter Hofer and the pedant Eberhard Gatzweiler have had a love-hate relationship for decades. Not even their grandson Martin can change that. During the lovable tug-of-war for the favor of Martin's attractive teacher Hanna, the waves get even higher, but Hanna has completely different worries.
