Season 17, episode 90. Ben and Britta are happy because Luke moves to Lüneburg. Carla thanks Gregor for his noble deed to sell the tech start-up to Luke for a fair price. Luke can work in Hamburg. He asks Britta to move together but she doesn't want to leave her best friend Carla alone. Ben talks with Luke about it. Alex gets a call to inform him that his father Bruno wants to see him. They have a good talk together and even make a business deal. The next day Bruno is discharged from the hospital. At home Bruno finds a letter to his passed away wife Heike, which raises questions. Henning begins to sweat because this letter is an indication toward his secret affair with Heike. Teacher Thomas is annoyed when his boss bought him environment unfriendly tablets for the school kids. Merle thinks he should use these obsolete devices in class to build up protest among his pupils against the school director. Gregor discovers that Cem and Amelie are separated, what explains that Cem is ...