Locked inside the towering megalith, Baltimore beat cop Jack Casey and the last survivors of an elite government breach team are all that stand between the city and nuclear annihilation. Facing down savage, otherworldly predators and a brutal barrage of deadly tests, the team must scale miles of harsh terrain in a hostile alien world to reach the head, and destroy Olympus from the inside. With minutes before launch and countless lives on the line, the clock is ticking. Because Olympus is only the beginning–and a second, far larger monolith is hurtling towards Earth.
