A new inmate named Tyge is brought to Sona. After he seemingly recognizes Whistler, Michael's doubts arise. T-Bag enters a new area of commerce.Lincoln goes to the seaside with Sofia. Sucre takes over the side-business of his predecessor.

Michael threatens to cancel the escape plan unless he sees a proof that Sarah is still alive. Whistler is accused of murdering an inmate and it is up to Michael to prove his innocence and save his life. Lincoln and Sofia help in monitoring the morning guards. Mahone may have another way to get out of Sona.