Hawkeye is temporarily blinded while trying to fix the nurses' furnace, and Frank finds a sure-fire way to win bets on baseball games.

Colonel Potter hopes a Western will be the cure for the 4077th's morale problem. But during the show, the staff of the camp is forced to make its own entertainment during the frequent film breakages.

Pressured by Frank, Margaret decides to marry Colonel Donald Penobscott at the 4077th. When Donald arrives in camp, he is treated to a bachelor party and a practical joke while the nurses give Margaret a bridal shower.

Radar notices a number of tattoos on one of the wounded, and convinces himself that with a tattoo he will be irresistible to women. Everyone tries to discourage him, and he admits to having received a tattoo that will wash off. Meanwhile, Margaret is frustrated with a new nurse who keeps getting upset at the sight of combat injuries.

The impossible happens for the snobbish Charles when he shares an emotional experience with Klinger, who discovers a U.S. nurse, Debbie, finds him and his bizarre attire attractive, while Charles succumbs to the exotic charms of a Korean girl, called Sooni, who he meets at Rosie's Bar.

Hawkeye uses a bottle of vintage wine to lure unsuspecting nurses into his den; and Potter tries to secure a different sort of anesthetic when the army threatens to ban a painkiller.

Hawkeye is sent to a mental hospital; a freak accident causes Father Mulcahy to lose his hearing; Margaret worries about her post-war plans; Charles run across a band of Chinese musicians; BJ is sent home, much to Hawkeye's dismay; Klinger decides to stay in Korea to marry Soon-Lee; a ceasefire is declared, ending the war.