The 4077 MASH unit faces the horrors of the Korean War, and its surgeons cope with the stresses of surgery through unconventional means. The unit's tone is set by recent arrivals Captain "Hawkeye" Pierce, "Duke" Forrest, and "Trapper" John McIntyre, whose unorthodox behavior often clashes with fellow surgeon Major Frank Burns and head nurse Major Margaret Houlihan, nicknamed "Hot Lips".

M*A*S*H
Medical professionals at a Korean War field hospital find solace and humor amidst the chaos of conflict.