To convince the prison warden against releasing him, a middle-aged Polish man recounts his life, one he considers to have been characterized by exceptionally bad luck.
An architect Joanna tells her friend Halina on the telephone about her love troubles and suddenly hears a nice man's voice: "The best cure for love is another love." Then she becomes a forgers dispatcher mistaken for Honorata by telephone and decides to work out a forgers secret and the secret of her new love Andrzej.
Set in the beginning of Wold War II, when the Polish cavalry still fought with lances against German troops. LOTNA is about a white thoroughbred horse that passed through various hands in a military outfit.