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.

• Fieldspark
• Edicis
• Johannes Bah Kuhnke
• Charlotte Salt
• James McArdle
• Elliot Levey
• Christian Hillborg
• David Horovitch
• James Artaius