Marina and Viktor are the only people left in a huge city, perhaps on the entire planet. After the heroes had somehow arranged their daily life, they were faced with a much more serious question - an existential one. How to revive humanity? Especially considering that they don't like each other.
The story takes place in 18th century russia. empress elizabeth’s confessor, monk named Lavr, is exiled to a monastery in a haunted mountainous region, taking his secret ancient knowledge with him. Years later, the empress sends her godson Andrey to bring the monk back. Andrey travels to the ill-famed place and meets with Lavr, but before they can return to St. Petersburg they must face evil forces and creatures of the dark side.
Evey day thousands of people descend to the subway. It's late... The last train flies by the station and dissappears in the tunnel taking away scared passengers. Officials classify all the information about the incident as top secret. Few days pass and friends of the lost passengers start their own investigation. The underground tunnels are full of terriffying legends but the reality turns simply unthinkable.