Someone wanted to overthrow the government of San Sebastian, a country whose tiny army, nonaligned status, and location on the deadly curve of Central America made it ripe for subversion. The first try was an attempted hit on its president on a crowded street in Washington. The second was an invasion from the sea.

Both times the Black Berets were there to keep the worst from happening. But how long could five men and one boy hold out against an army of the world's most skilled assassins? An army with limitless resources--and the patience to keep on killing?