A squad of National Guards on an isolated weekend exercise in the Louisiana swamp must fight for their lives when they anger local Cajuns by stealing their canoes. Without live ammunition and in a strange country, their experience begins to mirror the Vietnam experience.

Zack Mayo is a young man who has signed up for Navy Flight School. He is a Navy brat who has a bad attitude problem. Sgt. Foley is there to train and evaluate him and will clearly find Zack wanting. Zack meets Paula, a girl who has little beyond family and must decide what it is he wants to do with his life.