两个月前，美国一艘深海潜水艇在运送超级军事物品时，军方收到一阵勐然攻击及船员惨叫声后，潜艇无故失踪…一段时间后，潜艇于距离加州海岸60英理被发现，为了搜回失去的货物及查出事发原因，政府派出荣恩博士及精锐女金刚进入潜水艇…方…

On June 30th, 2018, Officer David Serling went missing inside an undisclosed abandoned hospital. Using his recovered body cam footage, his wife attempts to piece together what happened to him on that horrible night.