When a knife-wielding attacker dressed as Baron Samedi, the Spirit of Death, stabs a man in costume on Halloween, Danny enters the world of voodoo. Meanwhile, DCPI Garrett opens up to Frank about a dark secret, and Erin and Nicky take Jack and Sean trick-or-treating.
Quest roles:
Tony Terraciano(Jack Reagan), Andrew Terraciano(Sean Reagan), Gregory Jbara(Garrett Moore), Kevin O'Rourke(Mons. Walter Donahue), Victor Cruz(Tech Flores), Sebastian Sozzi(Vinny Cruz), Barbara Vincent(NYPD Officer), Megan Ketch(Kate Lansing), Tawny Cypress(Patrice), Thomas Schall(Father Francis Xavier Ainsworth), Ken Howard(Malcolm)