Korvatunturi Mountain on the Finnish border is the legendary hometown of Santa Claus, and this film tells the story of the Christmas secret buried 486 meters below Korvatunturi! On Christmas Eve in Finland, Santa Claus was excavated during an archaeological investigation of the "world's largest ancient tomb". Next, a series of mysterious events occurred at the excavation site. Locals were mysteriously killed and children began to disappear from the town. As a result, the locals gradually understood a secret about Santa Claus. He is far from giving gifts to good children and punishing bad children as the legend says. A father and son of a family, with the help of some hunters, began to hunt down Santa Claus. They planned to set a trap to catch him and sell him to the company that funded the archaeological excavation in order to make a profit. Facing the mysterious Santa Claus, can they succeed?