Life of Greta Bücking and Paul Markwart seems to be in perfect order. Both are happily married - until they find out that their spouse died in a plane crash. But increasingly compacted suspected that Lutz Bücking and Karin Markwart were not traveling on business, but on the way to their common love nest, is a cozy hotel on Amrum.
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.