In an escape from the tethers of modern technology, Nick Corrigan, a former Army Specialist, ventures into an underground rave in an abandoned Estonian prison. There, he is abducted and cut off from the rest of the world, including his fiancée. He unwittingly becomes embroiled in a biotechnological nightmare and embarks on a dangerous adventure to return home. The only person that might be able to help him is a man Nick never knew existed—his clone. Back in Washington, CIA analyst Sara Monahan makes a startling discovery while tracking the use of biological weapons in an ongoing war in Africa. She races to uncover a global conspiracy that may shake the very essence of what it means to be human.