Gordon and Bullock act quickly to protect members of the Arkham city council as they prepare for a dangerously controversial vote. Meanwhile, Gordon gets a visit from an old friend.

Klaus encourages Hayley to regain her position within her werewolf pack; Mikael tries to uncover a spell that will protect her loved ones; Davina and Kaleb are threatened when unexpected visitors crash their dinner; Klaus grows suspicious when a meeting with Cassie doesn’t go as planned.

Bellamy confides in Tom, explaining that he’s one of the returned; at the same time, the pastor senses a need for a new parish specifically for those who have come back to Arcadia. Elsewhere, Margaret seems determined to keep hidden whatever connection the Langston family has to old human bones that have mysteriously turned up in the river.

Nonviolent citizens become killers, prompting Red to suspect that a deadly psychological experiment has been put in motion. Meanwhile, Red offers a complicated proposition. Mary-Louise Parker and Paul Reubens guest star.