Synopsis

Prof. Denev is a talented scientist, but he cannot divide his time between the social and the scientific life. Suddenly he gets the idea to bring his cousin Ivan from the village. They look exactly alike. Ivan makes appearances at social events while the professor is working on his research. Initially not very confident, but with enthusiasm Ivan carries out his duties and his desire for material gains becomes huge. When the double threatens Denev's personal life, he throws him out.