Forbidden.

The story of four friends who travel from Bangkok to a remote village in the mountains for the funeral of one of the group's estranged father where supernatural events transpire. There they unleash a curse that had been long held at bay by the villagers and discover multiple layers of cover-up. While everyone becomes a suspect in the mystery, they discover that the woods conceal something worse than just superstition, and soon the whole group is being hunted.