After a tragic encounter with the supernatural, 16 year-old John Gray is thrust headlong into the unknown. With newfound powers and abilities, John finds himself in the midst of strange phenomena and even stranger individuals. With the help of his friends and self proclaimed 'magician' Andrew Leclerc, he seeks to uncover the secrets of the otherworldly tragedy that had befallen him. The appearance of Gates. Giant wrought-iron structures that cannot be observed with the naked eye.

Following Leclerc, John and his friends join the secret organization known as Animus, determined to discover what else the world is hiding. However, the gates do not give up their secrets easily and after countless encounters with beasts and monsters of all kinds, John finds himself wondering whether or not some things are best kept in the dark.