In the supposed world, it is possible to predict future disasters. However, even knowing about possible incidents, they cannot be avoided. To minimize losses and save people, a special service is created that saves people and property in various ways, including preventive destruction. People call such services “Trigger”, and their employees – “Triggers”. Sobolev is an employee of such a service, loves his job and does it with pleasure, without considering himself a hero or savior. Moreover, people are not particularly friendly towards triggers, because their appearance on the doorstep means an imminent disaster. The events in the book unfold against the backdrop of changes in one of the regional trigger services. Contains obscene language.