Olga and Vera are twin sisters. 12 years ago, Olga repulsed her fiance, Igor, married him, organized his business and got rich. Faith never married, she works as a waitress at a provincial restaurant. After 12 years, Igor, finding Vera, informs her that Olga's attempt was made, she lies in the clinic without consciousness and – for safety – under someone else's name. Igor implores Vera to temporarily replace Olga in order to sign an important contract on behalf of Olga. Following the persuasion of Igor, Vera agrees to transform into her sister Olga for several days, not knowing that from now on she becomes a pawn in another's dangerous game, at the end of which the lives of both sisters are put ...