Russian hacker Denis Kabalin and American megacorporation employee Stephen Standell are surprised to discover that from time to time they are able to acquire the instinct of a predator and the capabilities of an unsurpassed killer - but they themselves do not remember anything about such moments. It is possible that this is due to the experiments of transnational companies to create an invulnerable combat unit - a biological death machine. We need to get to the bottom of the truth as soon as possible: the big hunt has already begun...