芬兰潜水员队遭受了毁灭性损失时，两个朋友不要让它回到表面上深潜在挪威的水下洞穴。后不成功的尝试是由国际当局检索机构，洞穴关闭。倒下的同事留埋在黑暗的水域。在友爱和同情的行为，球队在一个隐蔽的操作重组带回他们的同胞潜水员的身体，冒着生命危险在一个秘密的跳水。该团队构造了成为一个脉冲冲击投身到幽闭的黑暗，赌博用自己的安全纪念那些谁站起来，游在他们身旁的计划。
A team of Finnish divers suffers a devastating loss when two of their friends don't make it back to the surface on a deep dive in an underwater cave in Norway. After unsuccessful attempts are made by international authorities to retrieve the bodies, the cave is closed off. The fallen colleagues are left buried in dark waters. In an act of camaraderie and compassion, the team reassembles in a covert operation to bring back the bodies of their fellow divers, risking their own lives in a secret dive. The team constructs a plan that becomes a pulse-pounding plunge into claustrophobic darkness, gambling with their own safety to honour those who stood and swam by their side.
