A con artist poses as a babysitter to steal from a wealthy occult enthusiast. One of the kids she's sitting unwittingly summons a trio of witches known as The Three Mothers.

Between working full-time, raising a young son, and trying to maintain a relationship with her detached husband, James, Lauren Bell desperately needs some help in watching her newborn, Riley. Thinking she's found the perfect solution

A bachelor party becomes a savage fight for survival when the groomsmen unwittingly unleash a fabled predator upon the festivities.