An adventure story for young people set in a summer camp for boaters in Juná. Eda, marked by a tragic experience of occupation, has difficulty getting along with the other boys. He only gains their trust and friendship when he helps to uncover German saboteurs.

Cast:Antonín Šůra, Karel Richter, Ladislav Boháč, L. H. Struna, Stanislav Neumann, Oskar Hák,

Genre:Adventure,

country:Czechoslovakia,

Production:Československý státní film,