Jenny confronts her cousin Harry: Did he embezzle her fortune? No. But he escapes with married lover Germaine only to return quickly because her husband pursues them. Jenny is convinced Harry is his own double and arrests him at gunpoint.

During a trip to London, Jenny Miller finds herself on the trail of the mysterious duplicate, who commits crimes in the form of famous personalities. When she wants to protect her cousin Harry from the clutches of the double, Harry suddenly finds himself in the circle of the suspects.—Ulf Kjell Gür