
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.

Col. Potter orders Klinger to tutor him for driving school on a night Klinger has set aside for a big poker game.

Charles receives a week's supply of newspapers from home at a time when no other mail is getting through.

Klinger, while ill, communicates with the spirit of a dead soldier.

Mail call brings upsetting news to Father Mulcahy and a hint to Henry that his wife may be straying.