Robert Fuller , the owner of a private bank , is under menace.His chief of the security , Weisberg shows him a message in which somebody is blackmailing him, he must pay a ransom of 3.000.000 DM. Besides his relationship with his wife is bad, she wants to divorce.To protect Robert Fuller Weisberg has contracted the Italian Giovanni as chauffeur and bodyguard of Robert. In an underground parking Robert is shot down before the eyes of his wife and of Weisberg.At the same time a fisherman has called the police because he listened to a car falling in the Isar river.
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