"Trapped in a jail cell in a troubled Central AMerican republic, Martin Springer, a U.S. volunteer doctor, faces execution. His "crime": having witnessed a bloody massacre. His beautiful wife Katherine tries to save him, but she too is arrested. Her crime? Resisting the advances of Senor Vaca, the sadistic head of the secret police. Now, Springer must escape from his dungeon cell, rescue his wife, and kill her tormenters..."