ARROW Season 4 - The Saga Continues Trailer

An agent of Shadowspire who was an enemy from Diggle and Andy's wartime past shows up to Star City. Diggle must learn to trust Andy but he got more than he wanted about their shared time from war. Oliver however must learn a new way of life when Felicity is now in a wheelchair and receives her codename.

Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.