Kelcey Mawema

The FBI needs Alec and his team to help stop a serial killer terrorising the suburbs; as the bodies pile up, Alec helps the police uncover what's really driving this murderer to his choice of victims.

Alec and Marisa attend the wedding of a mutual friend's daughter located inside a foreign embassy, where the father of the bride has been ensconced for diplomatic reasons; their night off quickly turns into a murder investigation.

As Andy fights for his life, the exorcists make the ultimate sacrifice to save him. Tomas and Marcus set out from Chicago in search of further evil, and the Vatican hunts for apostates.