In this third and final installment of the Project Zeus series, Dana and Kassidy must face their greatest enemy. Everything is at stake! Humankind is on the brink of extinction. The planet is fading fast. And after learning how to combine their strengths, and following their instincts rather than relying on their powers alone, the two friends are at odds with each other again. This time, love, loyalty and trust are broken. Dana is manipulated and betrayed when Kassidy is put to the ultimate test. Will their humanity get in the way and finally seal their fate?