The crew expected staff captain Grimm to be promoted, but Max Parger is appointed and soon has a conflict with Grimm. Hotel director Hanna Liebhold once dumped reputed cruise critic Frieder Heinemann, who proves a troublesome, yet flirtatious guest. Sebastian Felber plans to propose aboard to gay mate Thomas Severin, whom he utterly surprises having 'invited' his Thomas' eldest best friend Judith Kerner and her 14- son Tobias (14), neither man realizing Thomas sired Tobias, who didn't even want to come and fears being ridiculed for a gay father. Max Parger is pleased with the presence of his brother Moritz, whose crazy side spells chaos. Marlene and Heinz Kolatschek, on golden jubilee trip, realize they differ in much, including how to celebrate. Cabin stewardess Tanja Lohmeier's life-long dream, to sing on a formal stage, becomes true by ship doctor Sander and cruise director Schifferle Wirklichkeit casting her last minute for the goodbye gala.
—KGF Vissers