Father Sergius (Russian: Отец Сергий, romanized: Otets Sergiy) is a 1978 Soviet drama film directed by Igor Talankin based on the posthumously published 1911 short story of the same name by Leo Tolstoy.

[1][2] Prince Stepan Kasatsky, an officer, ardent, proud young man is a big admirer of the king.

Father Sergius (Kasatsky's new name) leads the hermit's way of life, strictly adhering to order and pacifying the flesh.

Rumors about a former handsome officer who took tonsure, reach a group of people who are resting nearby the monk's cave.

A beautiful depraved woman tries to seduce him, and Father Sergius has to cut off his finger to avoid succumbing to her charms.