In a human settlement on the planet Foris, life proceeded relatively peacefully and calmly, until one day the scientist Pavel Ryabinin, who was engaged in the restoration of a damaged quantum computer, disappeared along with the device itself. Paul's daughter, Inna, who helped him with this project, takes up the search. The people of Foris face a force they cannot overcome. Scientists are entering the fight, who will have to divert the danger from the city in a short time. Will they cope with this task?..