When strong-willed Summer Pratt takes a job at a beautiful estate as the new nanny to a sweet but sad little girl named Sophie, she soon starts to suspect something is very wrong with the beautiful, wealthy couple who call themselves her parents.

An intense new marijuana strain named “Black Forest” is taking Los Angeles by storm, and Gretel’s stoner boyfriend can’t get enough. But when the old woman growing the popular drug (Lara Flynn Boyle) turns out to be an evil witch, cooking and eating her wasted patrons for their youth, Gretel and her brother Hansel must save him from a gruesome death — or face the last high of their lives.