Bruno Wildermann of the Wrinfield Circus is the world's greatest trapezeartist, a clairvoyant with near-supernatural powers and an implacableenemy of the East European regime that arrested his family and murderedhis wife. The CIA needs such a man, and recruits Bruno for an impossibleraid - on the impreganble Lubylan fortress, where his family his held.Under cover of a circus tour, Bruno prepares to return to his homeland.But before the journey even begins a murderer strikes twice. Somewhere inthe circus there is a communist agent with orders to stop Bruno at anycost...