A figure from Adama’s past returns to haunt him. His return raises questions about why the Cylons launched their initial attack against the Twelve Colonies.

In the middle of a heat wave, Earl decides to cross number 26 off his list « Robbed a Stoner Blind. » To accomplish this task Earl and Randy find Woody the stoner and must live an environmentally conscious life in the commune with Woody for a week.

The residents of Jericho receive a visit from a group of questionable outsiders and they realize that they need to form a plan to keep the outsiders out. Emily has a dream about her wedding morning to Roger. She wakes up and realizes that he is probably dead.

In Maljamar, New Mexico, Michael takes what he needs from a sporting-goods store, then has a crisis of conscience. In Tribune, Kansas, T-Bag narrowly escapes the police but has to leave his hand behind. In Trinidad, Colorado, the three Burrowses discuss politics, but face an unexpected threat. In Gila, New Mexico, Kellerman ties up Sara and resolves to get what he needs from her. Mahone meets Kim for the first time. Bellick receives treatment for the blow to his forehead, and interacts with a local police detective.

While mourning for his father in India, Mohinder begins to have strange dreams of the past. Niki begins to understand herself. Hiro and Ando meet an interesting person while stopping at a diner. Matt and Audrey follow a lead regarding the mysterious Sylar, but it leads to something unexpected. Claire is getting ready for homecoming with hopes of returning to a normal life. Meanwhile her father locates another hero, and urgently requests his help.

Marshall and Lily drag the gang to Atlantic City to elope, and their quest to overcome the three-day wait for a marriage license crosses them with some Chinese gamblers, a ship captain, and a sexy novelty shirt.

Apollo formulates a plan that threatens the very existence of the Cylon culture. Adama and Roslin must decide whether to follow through on the plan to use a biological weapon against the Cylons. D’Anna Biers (Number Three) believes Baltar knows who created the virus that infected and disabled the Cylon baseship. She is willing to take extreme measures to learn the truth.

Catalina helps Earl cross off No. 75 on his list « Used a mailbox as a trash can » This leads to the discovery of two undelivered letters one is a declaration of a man’s love the other reveals Darnell’s secret.

Jake and Eric head out of Jericho to the nearby town of Rogue River to try and acquire some medicine for their father. While the brothers are at the hospital they encounter a combative group of individuals who call themselves Ravenwood. The brothers find that they’re trapped and must find a way back to Jericho.

Captain Bellick tortures T-Bag for the money during which T-Bag swallows the key and Bellick uses dirty tricks to get the key out.Bellick and Mac leave T-Bag on the boundary of the police.Sarah and Michael Scofield meet,but they are constantly chased by Alexander Mahone.Michael gets close to Mahone’s helplessness.Meanwhile Lincoln Burrows and LJ are rescued by Lincon’s dad but they are still not shielded from the dirty political games. Sucre tries to contact Maricruz but that plan fails because of the state police doing rounds.