According to an old Nordic legend, a Berserker was a bloodthirsty warrior who ate human flesh, was forbidden a restful death and fated to be reincarnated in their blood kin. A summer camp accidentally stumbles across the Berserker legend when it arises in Rainbow Valley, an area settled by Norwegian immigrants. The camp is abuzz with rumours of a wild bear killing people in the area, including speculation about an old couple who get lost. But is it really a bear?
In a remote Utah cabin, six friends unleash chaos when they encounter a fearsome Viking warrior with bear-like claws. Cut off from the outside world, they must confront their darkest fears while battling the relentless force of legend.
