The Useful Third Wheel

Lieutenant Colonel Alexander Novikov leaves the capital for a district center to get away from his ex-wife, who left him for his best friend. Alexander will live in a house where his predecessor, who committed suicide, used to reside. He inherits a dog that understands everything, a neighbor who meddles in everything, the only employee that everyone around can't stand, and old unsolved cases that are clearly connected to the new ones. Very strange deaths and their circumstances need to be clarified before someone else dies — this time a dear and close person to the lieutenant colonel himself...