Slade returns and asks Oliver for help in tracking down his son. 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. Meanwhile, Vigilante reappears in Star City.
Genres: Action & Adventure , Crime , Drama
Keywords: based-on-comic , masked-vigilante , superhero , superhero-team , watch-series-online