Die geheimnisvolle Insel

S1, E4: On the nature-protected island in front of Pillnitz Castle, which serves as a museum, a guard is found brutally beaten to death. Shortly before the crime, the WaPo saw a young boy running from the island. Moritz feels responsible for letting him slip away, though the team doubts the child is the killer. Still, the boy may hold the key to uncovering what really happened.