Armed with a plan, Michael races to find mysterious inmate Whistler before Mahone does, but what do they want with him? Also, a prisoners' revolt looms.
Meet Pam Hupp, Betsy Faria's close friend and the last person to see her alive after dropping Betsy off at home on the night of her murder. Betsy's husband, Russ Faria, makes a distraught call to 9-1-1.
Pam gets her 15 minutes of fame when D.A. Leah Askey calls her to the stand as a witness for the prosecution even as Joel Schwartz tries to poke holes in the case against Russ.