Not everyone wants to see the world saved . . . Time is running out. Cities are being engulfed in the Mist and humanity is on the brink of extinction. Theo believes he has found a way to stop mankind from Turning, but he doesn't know how to alter Cass's unique blood into a cure. Or if it can even be done. Meanwhile, Cass struggles with the idea that she is possibly the savior of the world--a world she is not sure is worth saving. ...