While monitoring an emergency line, a vigilant FBI agent answers a call that plunges him into a deadly conspiracy involving a mole at the White House.

Kate Kane, armed with a passion for social justice and a flair for speaking her mind, soars onto the streets of Gotham as Batwoman, an out lesbian and highly trained street fighter primed to snuff out the failing city's criminal resurgence. But don't call her a hero yet. In a city desperate for a savior, Kate must overcome her own demons before embracing the call to be Gotham's symbol of hope

Forced to take the intercontinental trip to Los Angeles by train, and determined to chronicle his adventure, disillusioned journalist Tom Langdon finds himself westbound with a variety of characters. While all passengers on the Christmas train appear to be headed for the same destination, Tom has no idea that the rugged locomotives taking him across America will instead detour straight into his heart.

Twenty-four-year-old Kara Zor-El, who was taken in by the Danvers family when she was 13 after being sent away from Krypton, must learn to embrace her powers after previously hiding them. The Danvers teach her to be careful with her powers, until she has to reveal them during an unexpected disaster, setting her on her journey of heroism.

After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.