Ten years after the end of the war in Vietnam, four ex-Marines decide to return to S.E. Asia to investigate reports of American POWs still being held there. These four include Roger, whose daughter's just been married, the unemplo...

Phoebe and a fellow American in Rome find a dog with a $5000 reward. They take a train to the owner in Monte Carlo. She turns up murdered. They run and become suspects just as 3 other Americans on the train.