
Members of the 4077th Mobile Army Surgical Hospital care for the injured during the Korean War and use humor to escape from the horror and depression of the situation. Among the 4077's people are Capts. Benjamin "Hawkeye" Pierce and "Trapper John" McIntire, Majs. Margaret "Hot Lips" Houlihan and Frank Burns, and Cpl. Walter "Radar" O'Reilly.
Father Mulcahy agrees to offer his running abilities in a race that pits the 4077th against the 8063rd.
Three United Nations delegates visit: a physician who is similar to Charles, an Army officer who teaches yoga and a Swede who catches Margaret's attention.
B.J. tries to organize a present-day, stateside gathering of 4077th families.
A clumsy soldier lifts the 4077th's spirits, but Col. Potter remains down in the dumps.