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".
Director:
Natalya Velichko
Nadjeshda
Sergei Polezhayev
Professor Pavel Shestakov
Nina Ilyina
Vera Lesun
Stasys Pytronaitis
Fjodor
Sergei Ivanov
Lyonka
Buda Vampilov
Dirigent Nikolay
Paul Dahlke
Professor von Heyden
Maksim Munzuk
Pauls Butkevics
Dmitriy Borovskiy
