It's about zombies. :D

Gaelic, a shape shifting guardian with the ability to become a wolf, faces long forgotten trouble. Betrayed and wounded, hes cast to earth with his friends Hakune and Odina. With the support of a young earth woman, Maysume and a omega wolf, Abba, Gaelic finds that earth is more trouble then he was prepared for. As he is stranded on earth, he soon finds himself racing against time along with others back in the spirit realm as a long forgotten evil resurfaces.

Set in a post-apocalyptic world, society is shattered into factions and all live in fear of a second alien invasion. Wren and his team fight to unite the earth against its real enemy: fear itself.