A brilliant student tests his morality by killing an elderly woman in 1800s St. Petersburg. As a detective cleverly investigates, guilt consumes the conflicted young man's conscience.A brilliant student tests his morality by killing an elderly woman in 1800s St. Petersburg. As a detective cleverly investigates, guilt consumes the conflicted young man's conscience.A brilliant student tests his morality by killing an elderly woman in 1800s St. Petersburg. As a detective cleverly investigates, guilt consumes the conflicted young man's conscience.