When Belden Clark, a major metal and dye exporter goes down in a plane bombed, his daughter is suspicious. His daughter and his old Army buddy, Captain Duncan Mac-Lain are going to get to the bottom of the mystery. But the plot thickens, when the FBI is called in and several more people end up dead. Is captain Duncan on the list next. Will this be the end for the blind detective. Or can he with the help of Cappo his shauffer, and his two German Shepherd dogs, Driest, his police dog, and Schnuck his Seeing Eye Dog triumph in the end.