Death Rites

S1 E1: Inspector Petra Delicato finds herself unwillingly investigating what appears to be an isolated case of rape and murder in the slums of Genoa. But then other cases soon crop up, all linked by a common denominator: a "tribal" sign the rapist leaves engraved on the girls' bodies. Paired with old-fashioned policeman Antonio Monte, Petra grapples with a perilous hunt for the serial killer.