In the world of Rublevka luxury, every secret is worth a life...On a rainy night, his young wife Lisa was murdered in the luxurious mansion of oligarch Boris Mokhov. A priceless diamond necklace is missing. The only witness, the owner's son— is in shock, and the mysterious penetration of the criminal through the balcony leaves more questions than answers.The famous detective Drongo takes up the case, unaware that under the guise of family well-being hides a web of lies, blackmail and dark secrets of the past. Every inhabitant of the house has something to hide: the daughter of an oligarch from his first marriage, a secretary who looks too much like her stepmother, and a nervous maid with two phones...But when witnesses begin to die, Drongo realizes that he is not dealing with a simple robbery, but with something much more terrible. A compromising video from Lisa's past life becomes a mortal threat to anyone who finds out about her.…In a world where truth is more precious than life, and lies are the only salvation, Drongo will face the most difficult choice of his career.