Four graduates of an industrial design school team up and form a small business. The protagonist is so excited by the venture that she turns down the proposal of her dashing instructor. Time passes and her three partners lose interest in the business for different reasons. This leaves the heroine who has a change of heart and decides to forgo the business and marry the instructor after all.
To take a revenge on countess Laura, who slapped him at his proposal, the Governor of the occupied Poland gets her fall in love with a poor student, and exposes him during wedding banquet.
