Three friends, whose lives have been drifting apart, reunite for the funeral of a fourth childhood friend. When looking through their childhood belongings, they discover a trunk which contained details on a quest their friend was attempting. It revealed that he was hot on the trail of the $200,000 that went missing with airplane hijacker D.B. Cooper in 1971. They decide to continue his journey, but do not understand the dangers they will soon encounter.

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.