John Doe holds Dr. Maria Benavidez hostage as an unknown entity continues to blindly lead him to an undisclosed location. Claire and Wes further their investigation into John Doe’s past whereabouts and begin to uncover his next target.

A plan is put into place to trap Drill and attempt to drain away its energy, thus killing it in the process. But if unsuccessful, Drill could seek retribution in a most deadly way.