
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.

When Henry Blake is transferred to Tokyo, Hawkeye launches a wild campaign to get him back.

Hawkeye turns sleuth to solve a rash of robberies in which he is the prime suspect.

After a transfusion using a pint of Frank's blood, Hawkeye suspects him of having hepatitis.

When it's discovered that a robust nurse is lonely and sad, the other nurses declare they will hold back their favors until she gets a boyfriend.