When Robin is hesitant to break up with Nick, Barney takes matters into his own hands. Meanwhile, Lily and Marshall are desperate for some private time.

When Nora encounters a close relative, she must make a difficult choice between family and a promise. Meanwhile, one of the most ruthless members of the Militia is tracking Miles, Charlie and the gang and General Monroe hands Captain Neville a stern warning.

During a trip to Washington, DC, Cary has an uncomfortable reunion with his father. A former client asks Alicia for help. Will and Diane question Clarke’s most recent strategy.

Carrie and the team struggle to regain control of their operation. Saul visits Aileen in solitary confinement. Dana pressures Finn to come clean about their hidden crime with unforeseen consequences.

The team investigates the murder of a reporter who may have become too close to her story, while Jane insists on pursuing his own leads to find Lorelei.

Talented but cocky pilot William Adama graduates from the Academy and signs up to join the crew of the newly built Galactica. Much to his disappointment, he is assigned not to a Viper fighter but to a Raptor transport ship named Weasel. He meets his surly co-pilot Coker Fasjovik, who is cynical and interested only in leaving the military, as his tour of duty ends in a month. Coker finds Adama’s eagerness irritating. The two are briefed on their first mission together, a routine « milk run » sending cargo to the Scorpia Fleet Shipyards and returning with supplies for the Galactica. It is a four-day trip during which they are to avoid enemy contact of any kind.

A Fringe team member takes on a new role, and Walter follows leads to a key piece needed in the battle against the Observers.

While preparing the Weasel for the mission, Adama and Coker find out that their cargo isn’t supplies but a civilian software engineer, Dr. Beka Kelly. They depart, but upon leaving Galactica’s DRADIS range, Dr. Kelly hands them new orders from the Admiralty. They are to rendezvous with the Archeron, another battlestar, in an area bordering Cylon space. They are also to take all further orders from Dr. Kelly. As they travel to their destination, Dr. Kelly reveals that she worked for Graystone Industries, designing the upgrade for the Cylons’ MCP « brain » chip. When they reach the rendezvous point, they discover that the Archeron was ambushed and destroyed. A Cylon raider appears and attacks.

Sherlock tries to prove that one of the people whose body was found in the wreckage of a small plane crash was actually killed before the plane went down. Meanwhile, Watson tries to convince Sherlock to meet with his elusive father.

When the wife of a governor is raped, the governor takes the law into his own hands and then asks Olivia and her team to come in and clean up his mess. Meanwhile, both Cyrus and the President are caught off-guard when Cyrus’ husband, James, decides to return to his career as a journalist covering the White House.