Drawn by the legend of ghostly raptors haunting the mountains, four friends set out to uncover the truth behind the eerie melody known as the Raptor’s Lullaby. But when the song begins to play, they realize the legend is far from just a story. Trapped in a valley where the spirits of the past refuse to rest, their only hope of survival lies in breaking the curse—before they become the next verse in the deadly lullaby.