Oliver turns to an old friend to help battle Diaz. Meanwhile, Rene is out of the hospital but has a hard time re-adjusting to life as Wild Dog. Also, Lance discovers something shocking about Black Siren. <br /><br /><br />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.<br />Creators: Greg Berlanti, Marc Guggenheim, Andrew Kreisberg<br />Stars: Stephen Amell, Katie Cassidy, David Ramsey
