Leidenschaft was released in the year 1937。Leidenschaft is also called as Knight Without Armour, Contessa Alessandra, Ult, Tatjana, Schweigsamer Held, Rytir bexe zbrane, Knight Without Armor, Kaksoiskotkan sortuessa, Condesa Alexandra, Chevalier sans armure。

Because he can pass as a Russian, A.J. Fothergill is recruited to spy on the revolutionary movement in Russia in 1913. He becomes imprisoned in Siberia, as a revolutionary, until the 1917 uprisings. Amid the turmoil of the civil war between the red and white armies, he tries to flee Russia along with the beautiful Countess Alexandra.

Leidenschaft actors and actresses include Marlene Dietrich。