The eve of the new year. Someone is preparing for the holiday, and someone at work. Major Novikov (the main character) finds himself in an unpleasant situation and now only his ingenuity will solve all problems. In the department, and not only, things are not going well either. Robbers - Black, Gray and Small are going to escape and ruin the holiday for the rest. Nothing remains until the eve, and everyone's dilemmas are just beginning to grow.