Bill, Martha and their little child Hal are spending a quiet winter Sunday in their cosy house. His father-in-law Harry Wayne is not at all excited about their visit. Then they get an unexpected visit from Mike Nickerson and Tony Rodriguez. Mike and Tony are old acquaintances of Bill. A few years back, in Vietnam, they were in the same platoon. They also became opposed parties in a court martial - for a reason that Bill never explained to Martha. Bill prosecuted them in Vietnam for murder and rape, and they've just gotten out of prison. With Harry`s help Bill trys the get rid of the two unwanted visitors.