With a temporary transfer of personnel between the 4077th and the 8063rd, Captain Roy Dupree replaces Hawkeye, whilst Lorraine Anderson makes eyes at Charles. Fearing this to be permanent, Charles and B.J. successfully conspire to have Dupree permanently removed from the 4077th. Charles (to Hawkeye): "God, I missed you!"
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.