This episode continues on from the previous episode and things really start to get interesting as the team discover “The Time Vault”.
Things are really heating up in the Flash episode 19, as Barry and the team continue to look for evidences to proof that Wells is the Reserve Flash. The episode starts off with Joe and Cisco going to Starling City where they ask Capt. Lance for help with their investigation into Dr. Wells after Barry tells them that after the accident Harrison Wells became completely different person. It was also there were Cisco met the Black Canary who asks Cisco for a favour to enchance her weapon.