Две причины жить

A large black diamond fascinates with the wonderful glow of living rays, captivates, binds tightly. Billionaire Richard Stein will give it only to her — a beautiful girl by the river, a model of a Russian photographer. She is close to him in spirit, nobility, and blood; she is the only one worthy of it... A person thinks clearly and acts rationally only until passion takes hold of them. The passion for what they cannot live without... 
The sparkle of precious stones has enchanted and blinded eyes for centuries. Their magnetic force is such that people sometimes stop at nothing in their pursuit of possession. This leads to crimes, which are told by the best domestic detectives from the series "Criminal Stones."