Coups de foudre !

Having been struck by lightning, August Heart has gained the powers of the Speed Force. Barry begins to train August how to use his new powers. Iris investigates why the Black Hole was trying to steal from S.T.A.R. Labs, which leads to her being kidnapped by the Black Hole. When the Flash tries to rescue her and is struck down by a new weapon, August puts on a costume to come to the rescue. In the aftermath, a new lightning storm hits Central City, with lighting striking many citizens giving them all super speed.