Pyotr Terpsikhorov

Robert and Freda Caplan are entertaining guests at their country retreat. A chance remark by one of the guests ignites a series of devastating revelations, revealing a hitherto undiscovered tangle of clandestine relationships and dark secrets, the disclosures of which have tragic consequences...

An old pickpocket named "Cardinal", during the days of the International Festival of Youth and Students, decides to gather old “personnels” to prepare small and large thefts from the festival participants. During the "conference" it turns out that a complete "personnel crisis" has come. The ensuing meeting with the former bootlegger — Senka-Moroz, who broke with his past and found happiness in his family and honest work, leads the Cardinal to confusion and mental confusion. A conversation with Professor Muromtsev, a terminally ill person who nevertheless cares about the fate of others, shock the "Cardinal" and he takes the first but decisive step towards a new life, breaking with the criminal world.

Quatro geologistas estão em uma expedição em busca de diamentes na Sibéria. Após um longo período e uma jornada cansativa eles conseguem a sorte grande e colocam no mapa uma mina de diamantes. O mapa deve ser devolvido a Moscou, na Rússia, mas no dia em que deveriam partir de volta para casa um incêndio acontece na floresta. O incidente acab causando estragos e os geólogos ficam presos na floresta.