This is the story of a talented employee of the Investigative Committee named Maxim Raisky. His colleagues appreciate him for his unique intuition, which allows him to easily guess the motives behind the actions of criminals and solve even the most complex cases based on small details. However, a tragedy occurs in Raisky's life, causing him to disappear without a trace for a whole year. This happened due to the death of his close friend, for which Maxim considers himself guilty.