Arien Boey

Still operating without Oliver and desperate to stop Brick, Team Arrow is forced to consider Malcolm's offer to help shut Brick down – as Malcolm has a personal score to settle with the felon. Roy and Laurel point out that the team could use some help to save the innocents of The Glades, but Felicity is adamantly against it. They look to Diggle to make the final decision. Meanwhile, the flashbacks chronicle Malcolm's descent from kind-hearted father and husband to cold-blooded killer after the murder of his wife.

A breakthrough about Drill is made; Claire talks to a group of kids who have been contacted by Drill; Wes makes a frightening discovery.

Wes persuades the president to allow him to place all the children in a protected zone, in hope of weakening Drill; the team mourns a loss.