A structural engineer installs himself in a prison he helped design, in order to save his falsely accused brother from a death sentence by breaking themselves out from the inside.
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.
A new FBI profiler, Elizabeth Keen, has her entire life uprooted when a mysterious criminal, Raymond Reddington, who has eluded capture for decades, turns himself in and insists on speaking only to her.