Loch Ness holds secrets, ancient and deadly. Does a monster inhabit its depths, or is it just myth? Marine biologist Zachary Wallace knows, but the shock of his near-drowning as a child on the Loch has buried all memories of the incident. Now, a near-death experience suffered while on expedition in the Sargasso Sea has caused these long-forgotten memories to resurface. Unable to cope, his career all but over, he stumbles down a path of self-destruction...