When a hurricane hits Langley Falls, the Smiths fight like mad to survive in their home. Part 3 of a three-part crossover with The Cleveland Show and Family Guy.

Despite being publicly embarrassed by legal trouble, Nucky's biggest concern may be holding on to his private army in a battle for control of Atlantic City. Meanwhile, Jimmy pitches a business deal to Arnold Rothstein in New York, but may have more in common with Meyer Lansky and Lucky Luciano. Margaret draws on past experience to retrieve some valuable information, Chalky clashes with a fellow inmate, and an Irish nationalist comes to town looking for support.

Set circa July 1917. The village hospital is not large enough to accommodate the large influx of wounded soldiers coming back from the front so Downton is turned into a convalescent home for many of them. O'Brien is shocked that Isobel Crawley seems to be giving most of the orders while Cora is relegated to the background and suggests that Thomas might be able to aid her from his position at the hospital. Violet strongly believes that Mary and Matthew are still very much in love and so, with the help of Rosamund, tries her best to end Matthew's engagement to Lavinia. She is also still convinced that there is much more to Lavinia's relationship with Sir Richard than meets the eye. Meanwhile, Anna runs into Mr. Bates in the village and they feel they may have a future together but, back at Downton, things are more highly charged as William asks a question of Daisy just before heading off to war and Mrs. Patmore reacts very badly to a chance remark. And what exactly is Branson up to? What

While the Griffins are housebound during a hurricane, Brian gets high on mushrooms and starts hallucinating, while Meg finally summons up the courage to confront the family.

After missing and presumed dead for eight years, Marine Sergeant Nicholas Brody is rescued in Iraq, and returns home to his family. But CIA agent Carrie Mathison suspects he might have been turned by his terrorist captors, and believes he could be part of a plan to attack America.

Bo and Dyson team up to track down a stolen Mongolian Death Worm on behalf of Dyson's old wolf pack mate. When things get complicated, Dyson finds himself reliving his medieval days – tormented by the hard choices he once had to make, and fighting in the present not to repeat past mistakes.

Alicia discovers she must become an expert on English law when a libel case she wins involving a businessman from Britain becomes an international matter after it is retried and transferred to a court in England via satellite.

Superintendent Chalmers reveals his hero as former President Theodore Roosevelt, who makes an appearance in the episode with the use of archival recordings.