After a photo shoot in August 2010, Andreas Johansson strangles a 17-year-old girl to death and rapes her. The investigation will show that he spent his days chasing young teenage girls online.

When David Sjöblom was arrested for a brutal robbery-murder in 2001, the police had no idea what awaited. During the course of the investigation, he begins to confess to several crimes. Is David a serial killer or just a mythomaniac?