Martina, a biology student, who after moving from her hometown to complete her studies decides to undertake an excursion to the outskirts of the city in search of rare and exotic specimens for research. Not finding the specimen after a long search, she decides to rest by the roadside. At that time, her new psychotic neighbors propose to take her to the woods where they claim is the specimen that she seeks. Martina accepts the crossing naturally, but on the way the thugs kidnap her, determined to cause all sorts of sinister and gruesome acts, both physical and psychological. The story takes an unexpected turn when Martina decides to release her pent- up anger.

There are important rules that must be obeyed. Don't talk back, Don't leave the grounds, have fun! For a group of girls kept in a house following the rules can mean life or death in this Spanish horror film.

A year in the company of Scottish writer Irvine Welsh, as he publishes a new novel, launches a record label, works on two television series and adapts his most famous work Trainspotting into a West End musical.