Hermann Wolff, a Wehrmacht Colonel assigned to German's intelligence agency, the Abwehr, investigates a suspicious train crash on the outskirts of Berlin with his right-hand man, Lieutenant Johann Bauer. Among the belongings of one of the bystanders is one of a spy's standard tools of the trade. When interrogated, its owner claims to have stolen it from a Japanese man named "Maki Katsuhiko..."
He lived in our country under 
the guise of an art dealer,
عاش في بلادنا متخفّيًا خلف هويّة 
،تاجر القطع الفنّيّة
Er lebte in unserem Land,
gab sich als Kunsthändler aus
Vivió en nuestro país haciéndose 
pasar por un marchante,
Vivió en nuestro país haciéndose 
pasar por un marchante,
Il se déplaçait dans tout le pays
pour son commerce
Viveva nel nostro paese, 
protetto dalla maschera di mercante d'arte,
Enquanto ele viajava o
país à procura de objetos de arte,