Diggle has trouble making the tough calls as the new Green Arrow, and his hesitancy may put hundreds of lives in danger when an ex-CIA agent leads a team of former agents on a raid to steal nerve gas. Meanwhile, Oliver asks Felicity to tutor William in math.

Slade asks for Oliver's help rescuing Slade's son Joe from a Kasnian prison. Meanwhile, Dinah discovers Vigilante's secret identity and vows to Diggle she will bring him in no matter what.