Devastated by Vanessa's death and Sarah's culpability in Buckley's suicide, the Monohans prepare to leave The Gates. But when Charlie runs away with Andie, it sets off a dangerous chain of events. Meanwhile, the Radcliffes are in hot pursuit of the elusive witch, Devon, who has the ability to destroy their entire race. Brett Crezki is also on the hunt, desperately trying to find Andie before her Succubus side emerges. As all these threads converge, it becomes clear that the one person no one can trust is the one person the Monohans need the most.