An astonishing breakthrough is made about Drill while Claire gathers together and talks to a group of children who have been contacted by it, and Wes makes a chilling discovery about Drill's possible mission.

While Wes is meeting with the President about his discovery, Drill targets a member of the President's family; Sean faces possible consequences for his collaboration with Drill; Lena gets help from Minx as she tries to contact Drill.

Claire and Sean find a man who had a dangerous encounter with Drill more than 30 years earlier.