During the exercises, a unit of marines under the command of Major Arkhipov, through an accidentally opened portal, go to Another World, where they must withstand the struggle for their lives. Third book of the cycle. Not only his comrades are looking for the suddenly disappeared Denis Arkhipov, but also a cold-blooded inspector sent behind his head, leaving behind only death. And fate smiles at the Marines even when life hangs in the balance. And suddenly it gives you a choice.