Sammy reminds Lechero that Papo is dead and presses Lechero to kill Michael. Lechero replies that he also wants Michael dead, but he does not want an uprising in Sona. Mahone receives a picture of his son through the mail. Lechero, Michael, Mahone, Whistler and T-Bag inspect the hole in the tunnel and Michael requests a saw and hammer to support the tunnel. Sammy takes the over the reign of Sona with the pistol delivered by Augusto and other three gangsters and promises a box of bottles of rum for the inmate that kills Michael. T-Bag convinces Bellick to give the chicken foot to Sammy, promising him a spot on the escape team. When Bellick discovers that there is no more acetone, he unsuccessfully tries to call-off the fight. Meanwhile Lincoln and Sofia visits Osberto and buy a bomb. Sucre plants the bomb under the seat of Gretchen's car but she unravels that, saying she found Maricruz tracking the US$ 25,000.00 check she gave to him. Sammy leaves the fighting with Bellick to chase Michael, who is locked behind the door in the tunnel with Mahone. Sammy beats Whistler, who was left behind, trying to get the combination of the door. Michael removes a wedge from the hole and the tunnel collapses over Sammy, burying him, while Lechero and Mahone kill the three other gangsters. Sofia finds a wallet hidden in Whistler's bag.