 A young traveler Dmitriy Sanin, staying in Frankfurt, falls in love with an Italian girl Jemma whose mother was a café owner. Jemma reciprocates with love and young people decide to get married. But they need money for this, and Sanin makes a decision to sell his small property. His property is bought by his old friend s wife Maria Nikolaevna Polozova... Attracted by her beauty, Sanin forgets all the vows he gave to Jemma and breaks her sincere love.