India. 1879. Lieutenant John Howard witnesses something so unspeakable it changes him for ever. His subsequent disappearance is never solved. Egypt. Present day. Marine archaeologist Jack Howard makes an astonishing discovery on a deep-sea dive. Whats the connection? Jack Howard doesnt know yet. But hes about to find out. This isnt just a treasure hunt; its a desperate search for the truth. A truth that will unlock the mystery of Jacks great-great grandfathers disappearance. A truth so compelling Jacks pursuit is almost unstoppable. Almost. A formidable enemy from Jacks past has appeared in his present & this enemy will stop at nothing to protect its earth-shattering secret.