An American traveling in Europe suddenly disappears, and his daughter, married to an eminent scientist, receives a letter asking her to go to Antwerp, which she does with her young son. Both are about to disappear. OSS 117 is asked by his superiors to solve these mysterious disappearances.
Alan Scott
Aude Loring
Vania Vilers
Reinhard Kolldehoff
Jean-Paul Frankeur
