A claustrophobic survival thriller set beneath the Yellow Sea off the coast of North Korea where the pilot of a small submersible craft and a three man Special Ops team on a secret recovery mission become trapped underwater in a fight for survival.
For her first day of orientation, Dr. Tristian Mackenzie makes her way to the Silverdale Psychiatric Hospital for the criminally insane, where she learns of the strange series of cases from the similarly strange Dr. Moon.
