After a devastating betrayal, Barry turns to Timeless Wells for help. Meanwhile, Iris leads Team Citizen down a dangerous road in search of answers, and Cisco confides his biggest fear…

Iris is pushed to the limit as she seeks to uncover the mysterious truth about Psych; Barry initiates a new training system, that could potentially backfire, with devastating consequences; Joe…

Barry and Iris come together to try and stop a dangerous force from destroying Central City.

When a powerful new villain, Psych, channels and amplifies everyone’s fears in order to wreak havoc on Central City, Barry realizes, with Cecile’s help, that he must face his own…