Blue Bloods (2010)

S3E7 Nightmares

On Halloween night, a man in costume is brutally stabbed by an assailant masquerading as Baron Samedi, the embodiment of death, plunging Danny into the mysterious realm of voodoo. Simultaneously, DCPI Garrett confides in Frank about a troubling secret from his past. Meanwhile, Erin and Nicky lead Jack and Sean on a fun-filled trick-or-treat adventure, unaware of the chaos unfolding around them.