A children's adventure spy film from a time when the radio telephone was science fiction.
A British citizen by the name of George Reiner (Jirí Sovák) arrives at Prague airport. He was once a Czech safe-breaker, and has now returned home after thirty years to steal twenty-dollar gold coins still kept in the safe at a private villa in Pilsen whose owner fled to the West.
The plot begins in the Soviet Union showing first efforts to establish the Czechoslovak legion in 1942. The film also shows the assassination of Heydrich and the subsequent annihilation of Lidice. The main topis of the film is battles with German troops for Sokolovo.
