While getting ready for a Halloween party at the club, the sisters soon are sucked through a vortex to 1670 in order to protect their ancestor Charlotte Warren, her unborn child and a coven from an evil witch. Meanwhile, the Grimlocks return and seek revenge on the sisters when they get sent back in time. As a result, Darryl and Leo are stuck battling them while trying to discover what they are in order to vanquish them.