The gang, with Don's help, must break into a safe at the Treasury Department to get the next Scylla card. Elsewhere, Gretchen manages to escape.

A daring plan is hatched to get the final card from Pad Man, and an uneasy alliance is formed with Gretchen - but there's a traitor among the ranks.

Lincoln and his men (Self, T-Bag, Mahone) are trying to find Scylla. They try to find a clue for the key from the fake buyer who killed Gretchen. They find a Church and an Estate that matches with key. When Lincoln and Mahone investigate the Estate, Lincoln finds a picture of him with his mother. Mahone finds out that, picture was edited and some clue about meeting place. Lincoln takes the meeting and finds his mother. Christina wants 2 days from Lincoln for eliminating Krantz. By the way Company's men finds Michael and Sara, they run away with truck and escape again. At last Lincoln goes to meeting place again and beginning of the end starts.