Behind the neutral sign of the Scientific Experimental Committee hides a new Russian intelligence service, designed to ensure control over unauthorized transitions in time and between worlds. But when penetration occurs, it turns out that it is extremely difficult to detect, and most importantly, to capture the violators. For the new intelligence service is opposed by an intelligent and skillful enemy who will stop at nothing. By entering into battle, the Committee dooms itself to a long and extremely dangerous rivalry with the enemy. But director Denis Navrutsky and his people have no other choice. The security of the country and the whole world is at stake.