Batman's mate Green Arrow returns after a mid-season break who for those that don't know, is a billionaire playboy by day and a hooded, bow-wielding vigilante by night. Not unlike Batman really. Tonight sees Oliver struggling to deal with the consequence of Damien Darhk's attack and embarks on a brutal quest to avenge Felicity. He receives a tip-off from a surprising source as to the location of Darhk's offices, but when he arrives, there's another shock in store. Meanwhile, more clues are offered about the fate of Team Arrow and Thea struggles to control her dark side, leading her to make an important decision regarding her relationship with Alex.