Vivi is exhausted. Actually, she is about to become an attorney and to move in together with her boyfriend Adam, but somehow, she is stuck. She tries to flee back to her Moms couch, only to find that there is no more space for her. Vivi's father assumes that she needs some rest and sends her to an island...

In order to save her mountain guesthouse from ruin, Sopie plans to build a glass extension with a pool as an attraction. She comes up with this saving idea when her best friend Verena visits, who brings her brother Jan with her and who draws the plans for it. However, Sophie's permanent guest for life does not agree with these plans at all: Barthl, who would like to drive away all visitors, fears for his stable rights.