While Barry, Harrison, and Caitlin hunt down Ronnie, who has attacked a man, Joe recruits Cisco to help him learn the truth about who murdered Nora Allen.
Quest roles:
Michelle Harrison(Joan Williams), Robbie Amell(Death Storm), Clancy Brown(General Wade Eiling), Morena Baccarin(Gideon (voice) (uncredited)), Malese Jow(Linda Park / Dr. Light), Victor Garber(Prof. Martin Stein (voice)), Isabella Hofmann(Clarissa Stein), Bill Dow(Quentin Quale), Chase Masterson(Sherry), Herbert Duncanson(Sergeant Bates), Logan Williams(Young Barry (archive footage) (uncredited)), Paul Griggs(Jumper)