A classic episode in which Colonel Flagg and another secret agent from another intelligence agency come to the 4077th to keep their eyes on one another and the camp. Hawkeye and Trapper trick them both into thinking that Burns is a traitor - one thinks he's a fascist, the other thinks he's a communist. Vinny Pratt, a friend of Trapper's turns up.
The 4077th Mobile Army Surgical Hospital is stuck in the middle of the Korean war. With little help from the circumstances they find themselves in, they are forced to make their own fun. Fond of practical jokes and revenge, the doctors, nurses, administrators, and soldiers often find ways of making wartime life bearable.