When Mary and her family move to the quiet D.C. suburbs, she finds a new best friend in her neighbor Jane. After Jane physically becomes Mary's copycat and starts spying on her, Mary ends their friendship and is promptly accused of child abuse, then attempting to run Jane over.

Single mother Karen Welch gets a mysterious call on Christmas Eve. At first, she thinks nothing of it, but then starts getting dozens every day after, follow Dr. Ward through this game of cat and mouse.