To repay a poker debt, a sergeant arranges for Radar to be promoted to Lieutenant.
Hawkeye decides to give up alcohol for a week and Charles is upset over his sister's potential suitor.
Frank is left in charge while Henry is away, and Frank forces Hawkeye to fill in as officer of the day.
B.J. and Charles have a falling out over a medical paper and Margaret and her boyfriend have a disagreement over his attitude.
A contest is held to choose a soldier of the month while a fever rampages through the camp.