The Power of Darkness opens with a household sinking into turmoil as Peter, a sick and aging peasant, faces declining health while hidden tensions spread through the family. His second wife, Anisya, lives in a state of fear over their finances and property while secretly entangled in a troubled relationship with Nikita. Nikita himself stands at the center of rumors involving Marina, making him vulnerable to the harsh judgments of both the household and the village community. As Peter’s condition worsens, layers of greed, suspicion, and anxiety intensify, revealing the fragile balance between desire and survival. The early scenes establish a dark, oppressive atmosphere that gradually exposes how love, guilt, and the struggle for security drive each character toward moral collapse.