Cub (2014)

Sam, an imaginative twelve year-old boy, heads off to camp with his Cub Scouts pack.

He stumbles upon a mysterious treehouse and meets a shifty, masked feral-looking child.

When Sam tries to warn his leaders, they ignore him as he is known for telling tall tales, and his mysterious past makes his leader Peter mistrust him.

As Sam gets more and more isolated from the other scouts, he become convinced a terrible fate awaits them: the Feral Child is the helper of the Poacher, an evil psychopath, who has riddled the forrest with ingenious traps, and is intent on slaughtering the scouts... one by one...