Lauren K. Robek

When a train station is bombed, it's a race against time to investigate for Peter, Walter and Olivia; Walter soon discovers something mysterious about the human remains.

Wes meets with the president about his findings, Lena tries to get in contact with Drill, and Sean escapes custody to go to the rocks.

Wes insists to the president that all children with symptoms be quarantined to weaken Drill. Sean confronts a reporter who wants to expose Drill to the world.

Silas swears to Claire that Minx is the one Drill has taken over. The president plans a quick press conference to head off the news release.

Beka's uncle Sid, who once tried to murder her, turns up and announces his intention to stand for leader of the Commonwealth, but is Beka the only one holding a grudge against him?

Kristin and Rachel are trapped in a ghost town that evaporates at dawn.