When they learn Joe has been taken hostage by mercenaries, their mission to save him gets complicated by a terrible revelation that could shatter Slade's hopes of reunion forever. Slade returns and asks Oliver for help in tracking down his son. Just as Oliver starts to get things in order, Black Siren launches another attack on the citizens of Star City. Oliver struggles to connect with William so he reaches out to a surprising source for help.
Anatoly returns to Star City with a deadly agenda.Ī rogue black ops team led by Onyx breaks into Kord Industries and steals something lethal. Oliver tries to balance being the mayor, Green Arrow and a father to William. Oliver deals with the fallout of the explosion on the island.