An expedition group led by Professor Shestakov arrives in one of the regions of Siberia to search for diamonds. The research begins with a dramatic event: The expedition leader dies suddenly. However, the geologists decide to continue the difficult, dangerous hike along the taiga "diamond trail".

Credits

Volodymyr KhmelnytskyiDirector

Natalya VelichkoNadjeshda

Sergei PolezhayevProfessor Pavel Shestakov

Nina IlyinaVera Lesun

Stasys PytronaitisFjodor