Marlow, Gus and Harvey are living in one of the southern villages, which are at war with the northern ones. When they have to flee during an attack in the middle of the night, they receive help from fellow villager James, who ends up with them on a strange island. Together they discover that there's more than men ever thought was possible and they get involved in a battle they'll have to end, if they want to get off the island and get back home. Follow them through Marlow's point of view on their journey through a different world and see trust, friendschip and fighting spirit in an extraordinary way in "The Sanctuary".