Deciding the Circle needs to have a little fun, Faye convinces Cassie to throw a big Halloween party. Intent on wooing Jake back, Faye goes all out on her Halloween costume. After a fight with Diana, Adam turns to Cassie for advice. Meanwhile, some dangerous, uninvited guests set their sights on the Circle.
Elenco: Britt Robertson , Phoebe Tonkin , Thomas Dekker , Shelley Hennig , Natasha Henstridge , Jessica Parker Kennedy , Ashley Crow , Gale Harold , Chris Zylka , Adam Harrington .