Thinking to spend a pleasant evening in a narrow family circle, Vickenty and his wife’s sister Milana arrive at a country house. To their surprise and alarm, they don’t find the owner at home—but on the floor they see brown stains that look like blood... The police refuse to pursue the investigation with the excuse: “No body—no case”! The husband and sister of the missing woman decide to look for her themselves... They run into a chain of mysterious events and begin to suspect each other… in Nia’s disappearance…