Michel has fallen in love with the beautiful Gaby that he accompanied on a ball after a race. There an assassination attempt is made on his life, but which fortunately fails. Pops has a hunch that with Michels new girlfriend something is wrong. He believes he has the woman ever seen anywhere, but do not know where. None of the Vaillant suspects that Gaby, wearing a black wig, the twin sister of Ruth's. Two days later, takes place an important race in Milwaukee. Shortly before the start of Gaby Michel gets paid a lucky charm, which is equipped with sensitive sensors.They should ensure that he in the race, losing control of his car. However, do now Pops' paid premonitions, because he and Quincy have prepared for an incident ... (information from the German series "Michel Vaillant")
