The Queen recovers, putting Ekaterina and Pyotr's plan on hold, but their potential rise to power has done nothing to bring them closer together.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Ekaterina makes arrangements for Grigori to leave the palace and confesses her love for Potemkin, urging him to return from the war; Pavel meets three princesses from Denmark, who are visiting in St. Petersburg.

Pavel's new wife is unfaithful, so Ekaterina finds him a German princess; Grigory goes mad; Peter the Great's monument is finally completed.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.

Tracing the sensational rise of Catherine the Great, renowned Empress of 18th-century Russia.