A group of Finnish divers arrive in Plurdalen, Norway. It cannot be their first time visiting here since they seem skilled at cutting a triangular hole on the ice before diving. Yes, it is true. It is definitely not their first time. A team of six divers has already swum down into the cave to depths of over 130 meters. However, now, only four of them are left as two tragically died during the previous expedition. This film follows how these four divers attempt to retrieve the bodies of their friends, discussing the inscrutable power of nature and by extension, humanism. Although the Norwegian authorities called off the official recovery operation after it was being deemed too risky, the survivors secretly set out on a life-threatening mission into the abyss. This remarkable film calmly explores sensitive issues with its simple but stunning visual characteristics.