Infamous criminal Cyrus Vanch plans to take on The Hood to reestablish his reputation as Starling City's leading crime lord. Meanwhile, Oliver confronts his mother over the copy of the list that Walter found, and Quentin unintentionally endangers Laurel.moreless
While on vacation Oliver Queen's ship is destroyed in a storm and he is the only survivor. He finds himself trapped on an island for the next five years. Once he makes it back to Starling City he is reunited with his family and his former girlfriend, but they are unaware that he has changed... and has put the skills he learned to survive on the island to become the vigilante that the city needs.moreless
When convicted bomber Paxton Petty reappears to place bombs throughout San Francisco, the team take methods from the past and apply them to the present to find him.