Catalina Denis

A mysterious entity leads Sean and his hostage, Dr. Maria Benavidez, to a secret location; as Claire and Wes continue to investigate Sean, his next target starts to become apparent.

Minx tries to talk Henry into playing one more game with Drill; Claire and Wes race to stop Sean from causing a deadly incident.

FBI child specialist Claire Bennigan investigates when an imaginary friend persuades children to play dangerous games; a haunting phenomenon comes to light.

As John pursues his mysterious mission, Claire looks into his identity; Lena is upset that Wes has been discussing a case with Claire; Drill keeps playing a dangerous game with Harper, Minx and Henry.

Sean, Claire, Wes and Lena look into the past of the man who first encountered Drill over three decades earlier -- before Drill murders him.

A plan is arranged to trap Drill and drain its energy -- but Drill could seek deadly retribution if things go awry.