While Jack looks for Gredenko and tries to save Josh, White House intrigue deepens.
When Ms. Morello is off of school for the day, Chris and Greg cut school to go see Ghostbusters. Drew and Tonya aren't happy that Rochelle is going to help out at their school. Julius renews his license at DMV.
Peter learns that he and Claude may have been betrayed. Matt's reunited with the radioactive Ted Sprague and Hana Gitelman a woman with "wireless" mental abilities. Hiro makes a tough choice about his mission. Claire can no longer hold back her anger towards HRG.
Lily gets asked to play in an off-off-off-off-broadway play, and the gang shows up to support her. Ted and Robin get hung up on what each kept from their past relationships. Barney performs his own play to prove a point to Lily.
Michael and Sara request Henry Pope's help to retrieve the information that will topple The Company.Mahone pins down an escapee. Sucre discovers a new threat while hitchhiking to reunite with Maricruz. T-Bag brings the Hollander family to his home.
The CSIs investigate when the parents of a baby sitter in an upscale neighborhood are murdered. As the team sorts through the neighbors' secrets and lies, they find an unexpected love triangle as a motive for murder. Meanwhile, a key piece of evidence found at the crime scene leads Horatio to expose a doctor with some dirty secrets of his own.
Eddie and Lund protect a 13 year old gang member from a rival gang, and Eddie reunites with the foster family who took care of him after his mother died.
William and Monica's wedding bliss comes to a screeching halt when, while drunk, he expresses doubts about marrying her.
Charlie's young, hot girlfriend takes him to a new club. She invites Alan to meet one of her friends but the men are shocked to learn that they are considered as being "old".
The guys discuss what they want to pass on to their children, Bill becomes despondent because he doesn’t have any. In an effort to cheer him up, they help Bill put together a Dauterive family reunion, only to be thwarted by the realization that Bill only has one living relative. Bill winds up sharing an incredible barbeque with his neighbors and teaches Bobby the secret sauce recipe.
Lewis and Hathaway are thrown into a delicate case involving one of the Oxford University's most prominent figures.
Sarah and Joe go into therapy following the tensions of their marriage. An office poll unsettles Kitty about her relationship with Senator McCallister.Tommy bumps into a concealed member of the Walker family while Tommy and Julia learn about a surprise addition to the family.
Barbra Jean has a meltdown on camera while doing a weather report and Brock sees it as a sign that she isn't ready to give up on their marriage; Reba annoys Cheyenne and Van by continually dropping by their new house unannounced.
Cheyenne and Van ask Reba if they can move back in with her after Van accidentally starts a fire at their new house. Also, Barbra Jean is offered a job at a TV station in Arkansas.
Ruthie tries to hide her tattoo from her parents, not realizing that they already know something's up with her. Lucy knows about the tattoo, but she has a very specific reason for keeping it to herself. As it turns out, most of the Camdens have dirty little secrets that they'd rather not reveal...
While researching a paper about George Washington Carver in celebration of Black History Month, Steve uncovers a conspiracy that's been going on since the Civil War. When the curator of the Smithsonian Peanut Museum reaches out to tell Steve the truth, he's mysteriously murdered, and Steve and Stan are tracked by a secret society that will stop at nothing to keep this scandalous secret of American history.
The team searches for missing water plant supervisor Jason Turner, and learn that he had become the target of a lot of anger after recent layoffs at the plant. Carlos comes to the office looking for Elena.
Vorenus receives orders to plunge Rome into a bloodbath the likes that have not been seen since the dictatorship of Sulla. Octavia reveals her secret to Atia, and the armies of the Liberators and the Caesarians clash for the last time, with the fate of Republic in the balance.