Conditions in the town grow worse as a Trouble turns darkness deadly. Can Nathan get the power back on in time?
Nathan enters the Void, whose terrors include an old adversary. Audrey and Duke deal with a newly-Troubled individual who's out for revenge.
Nathan must make common cause with an enemy. Audrey and Duke try to find a way to free him, and Dave wrestles with Croatoan's control.
A bank robbery goes terribly wrong and ends in a shooting, which gives Sawyer leverages against Walt; Cady tells Walt about a disturbing vision after Henry goes missing.
The mayor has more bad news for Walt; Vic does an unusual favour for someone; Walt learns the truth about the lawsuit; Henry and Cady face tribal rituals.