

The Soviet embassy in England sends two couriers with diplomatic mail to Leningrad. The inspector of security police, White, and a group of policemen attack the Soviet diplomatic couriers at night. The documents get to an English trackman, who gives them to his son, a sailor in Portsmouth.
Director: Oleksandr Dovzhenko
embassy secretary
first diplomatic courier
second diplomatic courier

Helen Viskovska
spy

inspector White
Harry

Ralph
captain

stoker