Armin realizes that he has wronged Lona. To make up for it, he wants to surprise her with a baby cradle. But then Armin finds out that Lona wasn't at the concert. He suspects she was with Becker and angrily wants to confront her. But he doesn't find her there. In the meantime, Lona turns up at the flat share in despair and makes a confession to Jennifer - she's not pregnant at all. When she tries to confess everything to Armin, who is now worried sick, the conversation takes a surprising turn ... Lars manages to convince Margot of his plan. He wants to get her Sophie's apartment in return for a large commission and a favorable rental contract. Neither the Weigels nor Stefanie have any idea of Lars' dishonest intentions. Sophie reports from Vietnam and agrees to sell the apartment. Everything seems to be going according to plan ... Joachim finds out that it's Claire's birthday and wants to surprise her with a present. Alexander urges him to talk to Regina, but Joachim avoids him. When Regina finds out that Joachim has allegedly lied to her about important university appointments, she confronts him. But her husband still remains silent.