10-year-old Nino is found unconscious at the harbor on his birthday. He took a nasty fall with his bicycle and Franzi wonders what he was doing there by himself. While his mother Steffi and her life partner Benno are at the hospital worrying about Nino, Juliane reports her 13-year-old son Felix missing. Kris and Pinar start searching for him, and quickly realize that Nino and Felix know each other.
