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)
> Roberto Giandalia (First Assistant Director)
> Ermano Stell (First Assistant Director)
> Augusto Tiezzi (Director of Photography)
> Guido Malatesta (Story)
> Guido Malatesta (Screenplay)
> Umberto Lenzi (Story)
> Umberto Lenzi (Screenplay)
