Caterina finds out that her husband Peter Tzar of Russia, is plotting to kill her. She sets Count Orlov free from prison, Peter's sworn enemy, becomes empress of Russia and leads the Cossacks army against him.
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Verdict: Unknown
> Umberto Lenzi (Director)
> Augusto Tiezzi (Director of Photography)
> Ermano Stell (First Assistant Director)
> Roberto Giandalia (First Assistant Director)
> Umberto Lenzi (Story)
> Guido Malatesta (Story)
> Umberto Lenzi (Screenplay)
> Guido Malatesta (Screenplay)
