The Secret Circle (2011)

S1E20 Traitor

After a crystal is mysteriously taken from the deserted house, the Circle suspects the traitor witch in cahoots with Eben. Jake arranges a meeting with Isaac, hoping to persuade him to switch allegiances. However, Cassie's struggle with her dark magic jeopardizes any chance of forming an alliance as they hunt for the traitor in what they dub the “Creepiest Place on Earth.” Simultaneously, Faye and Jake team up to snatch Dawn’s crystal, while Melissa and Adam discover a new magical trick together. Frustrated, Diana seeks assistance from Charles.