Radar chronicles the antics of a typical week at the 4077th, which includes Hawkeye falling for a new nurse, a POW going berserk in the OR and Klinger seeking a psychiatric discharge.

The OR is filled with more wounded than the unit can handle. Hawkeye does heart massage on a soldier, which saves his life, but he dies four hours later. Sidney Freedman drops in during the deluge, and is dragged into the fray by Hawkeye.

Intelligence officer Colonel Flagg, and psychiatrist Sidney Freedman, grapples over the fate of a wounded officer, Captain Chandler, who claims to be Jesus Christ. Perhaps the most poignant scene is when Radar asks Chandler to bless his teddy bear.

Psychiatrist Sidney Freedman composes a letter to Sigmund Freud during a visit to the 4077, while the rest of the camp endures the hijinks of a mystery prankster.

Hawkeye starts sleepwalking and having horrific nightmares. He begins to think that he may be starting to lose his "war against the war."

The 4077th, caught up in tension and nerves, creates a bonfire to release their pressure. Meanwhile, Sidney Freedman is depressed over a young soldier who blames him for his injuries, because Freedman had sent him back into combat.

Charles becomes so irate, when he is turned down for a future medical position at home, that he refuses to talk to anyone in the unit, until Hawkeye and B.J. send him a false telegram from home. Meanwhile, a young soldier, Jerry Wilson, can't remember his own identity, so Sidney Freedman is called for help.

Klinger redecorates his quarters, but the resultant ridicule he receives drives him to new heights in his efforts to get out of the Army. Meanwhile, the doctors are perplexed by the reaction of an Asian-American war hero who tries to kill himself when he's told that he will be going home. Sidney Freedman is called in to assist.

When Hawkeye can't stop a sneezing fit that has no apparent cause, psychiatrist Sidney Freedman digs into the surgeon's past for a clue to this unusual malady.

Potter sends for Sidney Freedman when he loses confidence in his surgical abilities, and Winchester loses patience with his bunkmates' sloppiness.

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.