Oskar has disappeared, and Leon and Sophie are farther apart than ever. Leon asks Sophie to wait for the police call at home while he's looking for the Tiger with John. But Sophie can not stand the idle waiting either. Sorrowful, she starts to search with Emily. The drama about Oskar welds the whole neighborhood together. All help looking. When Sunny and Chris meet in the subway, their quarrel is still between them. Only when they put this aside for a moment, they come together on an idea where Oskar could be. At the same time, however, Maren finds a clue that hints at evil and sets Leon and Sophie in alarm. It almost seems as if the couple had found each other again through the crisis. Meanwhile, Till's experiment with the rheumatism drug seems to work. But unnoticed by all friends, Till gets into an emergency. And he is all alone.