12 American military prisoners in World War II are ordered to infiltrate a well-guarded enemy château and kill the Nazi officers vacationing there. The soldiers, most of whom are facing death sentences for a variety of violent crimes, agree to the mission and the possible commuting of their sentences.

In an attempt to stem the heroin trade from Iran, a group of narcotics agents working for the UN inject a radioactive compound into a seized shipment of opium, in the hopes that it will lead them to the main heroin distributor in Europe. Along the way, they encounter a mysterious woman doing her own investigating of the smuggling operation.