In a freak accident, police crime scene investigator Barry Allen is struck by lightning and doused in chemicals. Barry discovers that this accident had given him powers, able to move at nearly the speed of sound. With the help of STAR Labs scientist Tina McGee, he learns to control his powers...but when his older brother Jay (a motorcycle cop) is killed in the line of duty, Barry asks Tina to make him a special costume that can withstand the rigors of hyperspeed travel. He sets forth to clean up the streets of Central City as The Flash. 转：剧情分集介绍（剧透慎入）。偶然想起。 艾伦（John Wesley Shipp 饰）出生于警察世家，他的哥哥杰（蒂姆·汤默逊 Tim Thomerson 饰）是摩托骑警队队长，而艾伦自己则是犯罪化验室的研究专员。近日，城市里出现的飞车党让市民们深感不安，这群暴徒们烧杀抢掠无恶不作，成为了破坏城市和平的蛀虫。 飞车党又犯下一宗罪行，艾伦采集了现场留下的泥土作为证据带回实验室研究，没想到，在研究过程中发生了爆炸，一道闪电击中了艾伦。本以为自己必死无疑的艾伦幸运地死里逃生，却因为电击而获得了超能力，从此化身成为闪电侠。飞车党的头目派克（Mariko Tse 饰）一直都对杰怀恨在心，一次行动中，杰不幸牺牲，而艾伦则继承了哥哥未完成的使命，誓要将派克捉拿归案。
