The rivalry continues as principled detective Martin Beck clashes with his hot-headed partner Gunvald Larsson over cases, leads, and where clues may lead next. It's good-cop-bad-cop in the seedy Stockholm underworld, but will these two officers put their differences aside for the greater good? Collects Episodes 4-6 of the non-stop Swedish series, including "Serial Killer," "The Pearl Hotel" and "The Monster."