In the port of Danzig, the military transport Tyrol is preparing to leave, on board which are selected SS units and seventy naval crews. The commander of the Soviet submarine "S-31", which received serious damage, receives the task of detecting and attacking enemy transport...
Aleksandr Filippenko
Aleksandr Pashutin
Gennadi Chulkov
Gennady Sayfulin
Aleksandr Sirin
