A dead man died in his house from multiple stab wounds, but there are no signs of break-in or evidence of robbery. Initial investigations also lead nowhere until Karow comes across a hidden door in the house. What the two inspectors find there takes their breath away. Bonard and Karow immerse themselves in the Vietnamese world of Berlin. You meet the veterinarian Dr. Lê Müller from Charlottenburg. Müller knows the... see more