The Sound and the Fury
S1, E11: Dr. Wells' former protegee -- who can manipulate sound waves -- returns to seek revenge; Iris starts a new job. Also, Joe asks Eddie for a favour -- and asks him to keep it a secret.

S1, E11: Dr. Wells' former protegee -- who can manipulate sound waves -- returns to seek revenge; Iris starts a new job. Also, Joe asks Eddie for a favour -- and asks him to keep it a secret.