Ep 2. A Flash of the Lightning

This episode of The Flash is titled "A Flash of the Lightning." The episode picks up where the previous one left off, with Barry Allen/The Flash traveling to Earth-3 to seek advice from Jay Garrick after experiencing strange new powers.

On Earth-3, Barry learns from Jay that his new powers are essentially a form of speed force overload, and that he needs to learn to control them before they consume him. Meanwhile, back on Earth-1, Cisco and Caitlin are trying to track down Killer Frost, who has disappeared.

As Barry struggles to find a way to control his new powers, he discovers that a new villain has arrived in town: Dr. Ramsey Rosso. Rosso is a brilliant scientist who has developed a revolutionary new cure for cancer, but his obsession with finding a cure has driven him to some very dark places.

As the episode progresses, Rosso becomes increasingly dangerous, and Barry races to stop him before he can do any more harm. Along the way, Barry learns some important things about his friends and allies, including a surprising revelation about Cisco's past.

Overall, "A Flash of the Lightning" is an action-packed and emotional episode that sets up some major conflicts for the rest of the season. Fans of the show will not want to miss it.