Season 19, episode 131. Mental or metal: friends and Gunter discover that David instead of being in the Hamburg-institution, plays elsewhere in a metal band. Franzi and Gunter go to Wismar where they find him. Drummer David doesn't want to come with them to Hamburg for a mental treatment of his bipolar disorder. Band members force Gunter and Franzi to leave their rehearsal room. Katrin offers Leo to move with him to Elba to avoid that he stays in Lüneburg with the consequence that he would have to disappoint his friend Vito. Katrin's daughter Mia agrees to come with them but Leo doubts her hasty decision. Simon keeps on worrying about Sara's baby. Carla and Philip, both stubborn, continue their competition in the hotel building. Britta informs him that Katrin plans to move to Elba and has destined that the destination of her store has to stay touristic. Hendrik and Philip agree that the place is excellent for being turned into a wine bistro. Carla, owner of Carlas, shows not to be interested in a cooperation with Philip. Despite of physical alarm signals Merle keeps on working hard. Dörte tries to persuade her to a vacation with her aunt Inge but Merle reacts mad about Dörte's meddling. Tinnitus plagues Merle who finally admits that she has to slow down.
—B. Dijkhoff