Artyom Klimov works in a warehouse, but his life is abruptly interrupted. He survives only thanks to a creature from the Ora race, which entered into symbiosis with him. The guy's days will never be the same, because he is no longer a person and his needs are completely different. Artyom falls into the Advanced Battalion of an organization called the Swan, whose goal is to seize power in the hands of the Ors. This is where the story of the guy who is destined to change the world begins.