Agnieszka and Marcin's love is blooming, just like Kasia and professor Wolanski. Grandma Solska only dreams of the wedding of her only grandchild - However, his former lover, Bozenka, stands in the way of the happiness of young Zawada. Mrs. Wolanska decides to radically change her life and disappears in mysterious circumstances. Peace of Piotr and Marlenka is disturbed by the u...