Mania

After picking up a traumatized young hitchhiker, five friends find themselves stalked and hunted by a chainsaw-wielding killer and his family of equally psychopathic killers.

A young girl, with an amazing ability to communicate with insects, is transferred to an exclusive Swiss boarding school, where her unusual capability might help solve a string of murders.

A group of high school outcasts get revenge on the students that torment them.

Crazed members of a sadistic family return to their childhood home to terrorize the new owners.