Engineer of Death

Hot summer of 1950. Children's library on Kirov Street. An elderly veteran is found dead in the reading room. Nothing has been stolen from his personal belongings. Only one thing is missing:

GOETHE'S BOOK IN A EXPENSIVE BINDING.

Investigator Arkady Nikitin understands — this is not a robbery. Why would the murderer need a poetry collection in German? To burn it in a stove? To sell it to second-hand dealers? Or was there something in the book that

NOBODY SHOULD HAVE SEEN.

At the same time, officer Sidorenkov stumbles upon an oiled bag in a trash can. Inside — seven PPSh submachine guns and an old Polish rifle. Nikitin does not yet know that in a day Sidorenkov will be killed on the staircase — quickly, brutally, with a chalk inscription on the wall:

"HE TOOK SOMEONE ELSE'S".

But who is the main player in this game? The mysterious "Engineer" who is trading weapons? A mechanic from Mosgaz? Or a colleague from the neighboring department who learned about Sidorenkov's find before the

CORPSE COOLED.

Colonel Pinchuk urges Nikitin to quickly close this case and not dig deeper. But the stubborn investigator digs. And finds what was attempted to be hidden forever. Therefore, the game is not over. One of the colleagues has two faces — a policeman and a merchant of death. And the main question now is not "who is the killer?", but...

CAN YOU SURVIVE WHEN THE TRAITOR KNOWS ALL YOUR MOVES?