Lincoln finds Sara's head in the box, and hides it from Michael. Mahone is haunted by hallucinations of Haywire, who tells him that Michael will double cross him. T-Bag becomes a member of Lechero's crew after murdering Nieves. Michael shuts down the prison's power, and persuades Lechero to let him fix it on No Man's Land. In the process, he reactivates the Electric fence. Bellick attempts to expose Michael's escape plan backfires. Lincoln and Sofia, Whistler's girlfriend plan to pay Sona's gravedigger to work for him, but is killed by Susan after he could not be trusted. Sucre manages to replace him, and uses a chemical to melt the electric fence as part of Michael's escape plan.