S7, E1: Captain Horst Weber is found bludgeoned to death on his cargo ship. The investigation brings the team to Stuttgart's harbor, where crew members Martin Greif and Lisa Porst come under suspicion, along with Weber’s partner, Gisela Wiechert. As secrets from Weber’s personal and professional life are uncovered, the team pieces together the events that led to his brutal death, revealing a deadly mix of betrayal, hidden motives, and long-standing tensions on board.