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.
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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.
Self locates another card, hidden in a safe within a secure federal building. Mahone continues his quest for revenge. T-Bag’s new life may be in jeopardy.
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.

