When a samurai shows up looking for a demon that possesses its victims, Josie leads the charge to defend her friends from the demon's wrath; MG is conflicted by a secret he's uncovered about Lizzie's new vampire friend, Sebastian.

When a series of events leads Josie, Lizzie and Alaric to the prison world, they come face to face with the twins' evil uncle Kai.

Hope finds herself in a race against the clock as the threat of the prophecy looms and the pressure to rescue the Saltzmans grows. Meanwhile, Alaric's attempt to keep his family safe leads him to make a difficult decision.