The Flash is based on the DC Comics character Barry Allen - The Flash, a costumed superhero crime-fighter with the power to move at superhuman speeds. When an unexpected accident at the S.T.A.R. Labs Particle Accelerator facility strikes Barry, he finds himself suddenly charged with the incredible power to move at super speeds. Barry vows to use his power to protect Central City from the escalating violence of metahuman criminals. He is aided by a few close friends and associates who guard his secrets.