**Core concept of the novel:** Five young people with different backgrounds and skills were bound by fate to form an unofficial "Truth Hunter" group because of a bizarre unsolved case. Not only do they have to solve the many mysteries in front of them, but they also have to fight against a huge criminal organization "Darknet" that hides in the shadows of the city and penetrates all levels of society. In the process, they face their own past, desires and redemption.