When a SWAT team swoops down on a drug dealer’s flat, the man’s neighbor Boris panics – and with good reason: he committed a murder, and the corpse is still sitting on a chair. What the cops also find is a photo with six different people, each marked with a cross and a date. A death list? Inspector Nina Petersen and her colleague Benjamin discover that the dead man ran an online dating agency. Among further photos, they find one of Benjamin, who also met a woman through this agency...