When social upheaval sweeps Russia in the early 20th century, Czar Nicholas II resists change, sparking a revolution and ending a dynasty.
A homicide detective goes undercover as a patient to investigate a psychotherapist he believes is linked to a strange double murder. As his therapy sessions continue the line between fantasy and reality begins to blur.
A special ops unit commandeer a commercial research vessel and its submersible to locate a mysterious item at the bottom of the Yellow Sea. When an explosion causes the sub to overturn and take on water, the crew begins to understand that not all of them will escape and a fight for survival ensues.
