A dark secret. A voodoo curse. An enemy who doesn't play by the rules. While Reid tries to find out who the mole in his department is, Kenzie asks for his help on one of the strangest murders he's ever seen. A man is found to have died of shock, a voodoo doll placed beside him. Did he really die of a curse, or was it just made to look like one? When Kenzie's friend asks her...