Slade returns and asks Oliver for help tracking down his son; the rescue mission gets complicated by a terrible revelation that could shatter Slade's hopes of reunion; Vigilante reappears in Star City.
Slade Wilson 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.—sarah_l91