Being a Guardian Shifter has been life-changing for Hope Ambrose.

After Hope's first battle with Lucien and feeling no worse for the wear, she and Castiel are on the next part of their journey with the Immortal Opus.

Knowing they cannot trust that it won't fall into the wrong hands, they give the book to Duke for safekeeping.

Now, they must seek other Changed Ones and rise against the Hunter.

Only, Lucien is five steps ahead of them and when he attacks, leaving them both for dead on opposite ends of the earth, it will be up to Hope and Castiel to find healing and make their way back to one another.

With evil magic at play, and their memories erased, will they remember who they are? Or give themselves over to darkest evil the world has ever seen?

Find out in The Shifter's Revolution.

Who's side will you be on?