At sixteen, Maria becomes an underground revolutionary. In the terrible year of 1919, while conducting propaganda among the sailors of the interventionist fleet, the heroine meets the Spanish sailor Pablo. After parting, they meet again only a few years later. Pablo and Maria leave for Spain for illegal work. After burying her husband and son, she trains personnel for Soviet intelligence during the Second World War.
as Mariya Tkacheva
as Pablo Luis Alvarez
as Seva Chudreyev
as Ignacio Muriez
as maty Marii
as Pavlik Paulito
as Olya
as Makhnovets
as Riccardo Rivas
as Oleksa Grigoryevich
as Anokhin
as Kiryanov
as Russian instructor in Spain (uncredited)