Explosions, drugs, kidnappings - criminals today are ready for anything ... But if the threat of a terrorist attack is added to these common crimes today, professionals from the Federal Anti-Terrorist Service (FATS) are involved in the case. A year ago, FATS almost lost its best employee Martynov - his wife and daughter were killed in an attempt on his life. Martynov returns to the service and realizes that everything that happens around him adds up to a kind of puzzle, the creator of which is a very dangerous enemy. Possibly the most dangerous in recent history.
