A 10-car pile-up and missing doctors make the ER insane. Scott brings his mom some dinner, and while there, Ethan brings in a dying Danny, who throws up mistletoe.
The Masons head off in search of Anne. They are supposed to meet up with the new rebel leader but he shows up, badly injured, and can only announce that the aliens are after the Masons before he dies.
With a giant flame ball hovering over him, Warlow dismounts Sookie and slips into his British accent. He insists that he is not there to kill her; rather, he loves her, and it is their destiny to be together
A patrolman finds Deb asleep in her car. She is drunk and her car isn’t as much parked as it is crashed into a parking meter. He has no choice but to take her to the station, but at least he keeps her out of the drunk tank.
Angie suggests that Junior go into the cement works tunnels to see if they can get deep enough to go under the dome. Julia follows him.
In 1977, a badly-injured man checks into a divey motel called the Glen Capri. He has just been bitten by a werewolf, and tonight is the full moon. As his eyes glow, he shoots himself in the head with a shot gun. The camera pans down - the man is named Alexander Argent.
Hal takes Tom hostage at gunpoint, then hides out in a burned-out building. Weaver and the troops set up a perimeter, and Maggie admits that Hal thinks he is still under Karen’s control.
Willa is hurt that Eric wouldn’t let her taste his blood - after all, she insists she is on his side. So Eric takes her into a cemetery, digs a grave for them, and turns her into a vampire.
Dr. Vogel gave expert testimony in one of Harry’s cases. He knew she specialized in child psychopaths, and was at his wit’s end with Dexter, so he went to her for help.
A house fire poses new dangers to the town.