Allison and Lydia locate a possible clue to finding Boyd and Erica while one of Stiles’ childhood friends goes missing.

With Boyd and Cora on the loose and under the influence of the full moon, Scott and Derek must turn to an unlikely ally for help.

Frannie and Casey sling mud at each other as the sorority presidential election approaches; Calvin faces the consequences after he cheats on Michael.

Jane is reunited with his former nemesis, cult leader Bret Stiles, when the head of an anti-cult activist organization is murdered.

During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.