The corrupt District Attorney Thomas Castillo hires a private eye named Megan Lockhart to find out the Flash's identity. He then blackmails Barry to work for him, or he'll expose his secret.

Barry tries to help a young woman. She found out about her husband's criminal life, and is trying to escape from him. She takes their daughter with her, but he wants them back.

There's a new vigilante in town, the Deadly Nightshade, who fights crime by killing criminals. The Flash and the original Nightshade team up to take him down.

Captain Cold, who freezes his victims to death, is contracted to kill the Flash.

A small time crook gets a hold of a device that puts people to sleep. He goes on a spree while the people are unconscious. He has a plan to knock out the entire city, it's up to the Flash to stop him.

An android built by the government to use an assassin refuses to obey her orders. She escapes, and is befriended by Tina and Barry.