Devastated by recent events, the Monohans decide to leave The Gates; the Radcliffes pursue Devon; Brett desperately searches for Andie.
An FBI agent searches for a criminal who may have taken refuge in The Gates; Andie grows weaker by the day; Charlie finds himself with an unexpected new crush; Dylan and Claire struggle to repair their bond.
Nick tries to defuse a possible turf war between werewolves and vampires; Brett and Andie's relationship rekindles; Mia turns to Devon for guidance.
Dylan and Nick search for a damaging secret about Frank; social politics threaten Sarah's pool party; Devon experiments with Internet dating.
Nick asks Dylan for help finding the killer when a neighbor is murdered by a vampire; Claire tries to end her arrangement with Christian; Andie decides to not take her medicine.
Like most families that settle inside The Gates, the Monahans are unmoored from a complicated life they abandoned in Chicago. There's something very different about this place, almost... haunting. Named the new police chief of The Gates, Nick Monahan is about to be tangled up in a mystery where he will begin to piece together the dark truth about their new home, and the supernatural elements that lurk behind the shadows of The Gates.