-Jackie takes a leave of absence and Danny works with Det. Kate Lansing when a man dressed as a priest for Halloween is attacked by someone dressed as the Haitian Spirit of Death.
-Danny tracks down a real priest who was working with Tusain, the attacker. The priest performs exorcisms but says it didn't work.
-Danny and Kate find Tusain in the middle of a voodoo ritual which claims to release his demons. Afterwards, they arrest him.
-Garrett tries to resign when a woman he had an affair with wants $50,000 or she'll accuse him of sexual assault.
-Frank asks Henry to use his old school connections to get the woman to drop the matter. It works.
-Jamie and Vinny have multiple calls about a disoriented, older man who keeps showing up to his former doctor's office. Jamie finds out the man's name is Malcolm. He's a former professional hockey player who has Alzheimer's and is missing from his assistant care facility.