Random sacrifice. Cold A.

Natalia's birthday, a holiday that began as a bright and beautiful celebration ended with a real tragedy - they killed the younger sister of the owner of the house, Polina. A pure and naive girl could interfere with what secrets kept, that she mercilessly shot her at the gate of the house when she went out to walk the dog. Investigator Sergei Vinnik, together with his appetizer, Ksenia, get into the investigation, because Polina put on a strange jacket before her death, and she could be killed by a monstrous mistake...