
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.

Charles becomes obsessed with death following a sniper attack.

After a delay of five weeks, five sacks of mail finally arrive at the 4077th.

A "chest cutter" and a nurse from the 8063rd are sent to the 4077th in return for Hawkeye and Nurse Bigelow.

Col. Potter learns that negative reports regarding him and the 4077th have reached Seoul.