S1, E4: The mysterious explosion of a boat raises unsettling questions as to whether it was a tragic accident or its owner, known as "Thin Pete," was murdered. Amid the investigation, tensions simmer between the two sisters. Viktoria has stumbled upon the unexpected revelation that Feli could be planning to leave Flensburg for good. Her departure would create a significant void in their lives, and the uncertainty is beginning to weigh heavily on them. As secrets unravel, they must confront their own fears and the truth behind both the boat's and its captain's demise.