Season 05, Episode 19 – Dangerous Liaisons
Oliver, Team Arrow, ARGUS and the SCPD kick off a citywide manhunt for Adrian Chase. Meanwhile, Helix tells Felicity they have a way to find Chase, but they will need something big and illegal from her in return.
Oliver Queen and his father are lost at sea when their luxury yacht sinks. His father doesn’t survive. Oliver survives on an uncharted island for five years learning to fight, but also learning about his father’s corruption and unscrupulous business dealings. He returns to civilization a changed man, determined to put things right. He disguises himself with the hood of one of his mysterious island mentors, arms himself with a bow and sets about hunting down the men and women who have corrupted his city.