Sam Genetti, a bright, seemingly popular high school senior is counting her blessings. Raised by a single father, she is adept at dodging rules and curfews. She is also dating a popular boy named Wyatt and is also close friends with a motherless boy named Gus. Sam and Gus have bonded since they were in kindergarten. They were the only children in their class who were being raised by their fathers.
Sam has a Halloween birthday and naturally all sorts of tricks targeted at her come out. Wyatt's former girlfriend and her snotty clique harass Sam; a mysterious woman breaks into Sam's home and leaves devastating messages for her. The same mysterious woman leaves anonymous notes in Sam's locker; one such message was a frightening secret about Sam.
Who is this woman? And why is she targeting Sam? Who else is involved? A shocking conclusion at a Halloween/birthday party for Sam is an open closet door for many skeletons to come dancing out. Sam unmasks her tormentor and the skeletons can finally be buried once and for all.