Michael and the team have a day to find the next cardholder or they risk going back to prison; Mahone seeks revenge on Wyatt, who is attempting to get information on Sara's whereabouts; T-Bag finds a new identity and gets a job offer.
Michael and co continue to hunt for the Company's cards containing the top secret information, but he, Lincoln and Sucre must crash a police benefit if they are to obtain the next card on the list.
One of the gang makes the ultimate sacrifice in a bid to reach Scylla, while, with Wyatt captured, Mahone reaps revenge for his son's murder.
Michael collapses and must go to the hospital, Sucre steps on a landmine, Mahone meets up with Scylla's designer, and Trishanne has a surprising secret.
Michael and co pull off the heist and get their hands on the holy grail of their mission: Scylla. Can they bring the Company down or is there a sting in this tale?