When a powerful new villain, Psych, channels and amplifies everyones fears in order to wreak havoc on Central City, Barry realizes, with Ceciles help, that he must face his own worst fear in order to beat this new threat. Meanwhile, Joe is surprised when Kristen Kramer from the Governors Municipal Logistics Commission drops into CCPD for a visit. Iris warns her father to dig deeper on why Kristen is actually there. Caitlin and Frost argue about how to live their lives.