Sara is left with no choice but to take Michael to the hospital as his condtion rapidly worsens.
Sucre and Lincoln are faced with unknown territory as they are left in charge of the operation.
Agent Self makes a surprising ally.
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Michael, Lincoln, Sucre and Bellick tunnel into the Company’s headquarters.
Gretchen meets with Pad Man.
Michael’s condition continues to deteriorate.
The police question T-Bag regarding Andy’s disappearance.
Wyatt propositions Sara while Mahone awaits his shot at his son’s killer.
Lincoln works to retrieve the final card, which is being held by the General.
Michael and Self are forced to work with Gretchen. Meanwhile, Roland continues to be berated for losing the transcribing device in Las Vegas.
Lincoln and the team go to Las Vegas where Sucre gets an indecent proposal; Sarah finds out about Michael’s condition; Roland pushes his luck; T-Bag and Gretchen team up; the secrets in Whistler’s bird book are revealed.
The entire operation may be in jeopardy when Mahone gets into trouble with the law. Gretchen’s sister receives a surprise visitor. The Company may be onto Self. T-Bag continues to raise suspicions at Gate.
Michael, Lincoln and Sucre must crash a police benefit to obtain the next card key and Sara’s life is put to risk once again.
Michael attempts to track the cardholder and avoid going back to prison. Wyatt finds new information regarding Sara’s whereabouts. T-Bag uses a new identity to make a new life for himself.

