Sam and Dean try to stop a ghost who is taking revenge against a group of college students by killing people through various electronic devices.
Malcolm suggests an alliance to take down Brick, but Felicity objects. Meanwhile, Oliver leaves Tibet while in the past, Malcolm discovers who killed Rebecca and goes after him with murder in his heart.moreless
Now that Arrow has crime in Starling City under control, Oliver tries to have a personal life. However, he and Roy are forced to forgo their personal plans when a new Count Vertigo begins dealing drugs, and a charming scientist makes a bid for Queen Consolidated. Meanwhile, Diggle has a new child, Quentin gets a promotion, and Laurel joins Arrow's crimefighting efforts.moreless
Oliver, his confidence undermined by his defeat at the hands of the Dark Archer, goes up against a psychologically traumatized firefighter. The man has started committing acts of arson while calling himself Firefly. Meanwhile, Thea tries to cheer her mother up and Tommy throws a benefit for the firefighters.moreless
Jaime Sommers is a normal, hard-working woman caring for her younger sister and managing a romantic relationship. Her life is turned upside down after she is involved in a horrendous car accident, leaving her with injuries so severe she can only be saved using bionic body parts which bestow amazing abilities beyond Jaime's control.moreless