A special ops unit commandeer a commercial research vessel and its submersible off the coast of North Korea 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.
This tense underwater thriller premiered at Frightfest.
Where to watch
Blu-ray, DVD, Amazon Prime, Sky Store, iTunes