Dmitriy Naumov

A story about two very different sisters who are forced to trade places.

Police captain Pavel Semyonov serves in one of the residential areas of St. Petersburg. Pavel is used to breaking up drunken fights and entering drug dens alone to make another arrest. He knows that if he thinks and argues, he will simply be killed. And he is used to first acting, and then sorting it out, because he really wants to stay alive, because his wife Yulia and son Sasha are waiting for him at home. Risking his life, he saves the daughter of a businessman. In gratitude, Latyshev, the girl's father, facilitates the transfer of Pavel to Nevsky Prospekt, to the very center of the big city, where it is prestigious and profitable to serve ... And soon Pavel begins to suspect that his transfer to the Central District was carried out by Latyshev with some far-reaching plans. And when Pavel goes on the trail of a mysterious killer named Rafael, everything is completely confused. But in a difficult situation, Pavel can always rely on his friends from the sleeping area

Alexey Kupriyanov, nicknamed Cooper, lives in the Arsenal, one of the industrial districts of the Russian hinterland. His life changes after the murder of his friend in order to conduct his own investigation, and Captain Kupriyanov leaves the operations department and becomes a district inspector. Everything in his Arsenal is his own, his own: his ex-wife with her problems, his son in transition, the beautiful girls, the locals who turn to him for help, and even the bandits who terrorize the town. But Cooper is not a timid person, and he knows exactly how to deal with all this...

The series is about a secret service that tracks illegal time travel. Despite the prohibitions of the special services, driven by ambition, the scientist Stern puts his program "time machines" on the Internet. Just a couple of hours later, the link is deleted. But it has already been downloaded by tens of millions of people! Now every inhabitant of the Earth has it, and it threatens a real catastrophe! To save the planet from chaos, a special secret service for monitoring the inviolability of time space, the "Time Boundary," was created around the world. Including in Russia. The best operatives and analysts of the country have been selected for the special forces. Any violations are monitored and severely punished. All operations are strictly classified. In order to find the criminal, the task force will have to go after him. And it's not that simple: it's deadly to arouse suspicion in the past.