Mr. Manfred Triberg works in the car showroom of Mr. Wanfrey as used car buyer.This morning he will travel to Stuttgart to buy a Jaguar, but he may stop at Ulm for buying another car.Mr. Wanfrey gives him the amount of 130.000 DM for the purchase of the car.Manfred has seen an advertisement in the newspaper and now he receives a phone call from a man who says that he is the professor Stein and who gives the address of an apartment for their deal.Elvira Friberg , the spouse of Manfred and his boss Mr. Wanfrey go to the police to announce the disappearance of Manfred.A little later the Professor Stein comes back from Africa and finds in his apartment the corpse of Manfred Friberg.
—zutterjp48