On the day of a brilliant dissertation defense, a young scientist unexpectedly dies. Investigation of the facts indicates an accident. However, the discrepancy in the testimonies of colleagues leads the investigator to think about the uncleanness of the hero, who simply used the unpublished results of other people's work.
as Anton Dmitrievich Tikhomirov (young scientist)
as Igor Mazin (investigator)
as Inna Krotova (former lover)
as Diaghilev (professor and supervisor of Anton Tikhomirov)
as Irina Tikhomirova (ex-wife)
as Ilya Rozhdestvensky (childhood friend and colleague)
as Svetlana Meshkova (fiancee of Anton Tikhomirov)