Billy and the Regulators turn McSween’s house into their HQ, and are supported by the Mexicans. A confrontation with the 7 Rivers Gang leads to a fusillade of bullets. Restoring peace seems futile.
With Lincoln on lockdown, Murphy's House celebrates what it regards as a victory over the Regulators. When a Regulators look-out shoots a soldier, the McSween house is set on fire. Many are killed.
Sheriff Graham makes Emma a deputy; a sinkhole appears at the edge of town; in fairytale world, Jiminy wants to leave the family business.
Dr. Murphy becomes obsessed with performing an autopsy on a Jane Doe, which challenges his relationships at the hospital; a male college student has a mysterious split personality disorder.
Peter grapples with the aftermath of recent events as Olivia desperately searches for an ally. Meanwhile, the Team discovers a critical device that communicates between universes.