The Viand

Who or what are the Viand? When Nathan awakes to find himself shackled to a steel cage, he struggles with the realisation that he had been kidnapped. He soon discovers that there are dozens of men kept captive, like him, in cages within a large warehouse. Why have all these men been kidnapped and by whom? With his life in danger, an opportunity to escape presents itself and the battle to survive commences.
Can he survive? How will it end?