A professor of astronomy helping on a missile development program. An old friend of his is a Russian chess champion. The Russian is working with shady businessman Marek and they plan to kidnap the professor and make it look as though he has defected to the Soviet Union.
An heiress suddenly vanishes! A detective comes to the forlorn mansion of the missing heiress's wheel-chair-ridden uncle to discover the secret behind the disappearance.
A world-class painter is taken ill and lies in the bedroom of an inn, while people down below squabble over his paintings and inheritance. The wily old man is unperturbed, even regarding the infernal trumpet sound which plays throughout.
