After eight-year-old Dani falls from a building, no one believes her when she says she was pushed by her imaginary friend, Rachel. Now fifteen, a freak accident convinces Dani that Rachel is back and she wants Dani dead. Jesse, a boy chased by his own childhood tormenter, believes Dani; and when the two join together to expose these deadly ghosts, they learn a shocking secret that connects them to each other.