A guy on a mountain bike stalks five students, murders them and eats their brains. They say it's safe, healthy and fun to hill walk in Scotland, but they don't tell you when there is a cannibal on the loose.

A guy on a mountain bike stalks five students, murders them and eats their brains. They say it's safe, healthy and fun to hill walk in Scotland, but they don't tell you when there is a cannibal on the loose.