Four mathematicians are invited to spend the weekend together to solve a puzzle. But the room in which they find themselves turns out to be a death-trap. The walls are slowly moving in and will crush them if they don't discover who wants them dead.

Film Trivia

• The sequence of numbers seen on the Personal Digital Assistant in this film is the same sequence that figures significantly in the hit US television series Lost.
• This marks the feature film directorial debut for Luis Piedrahita and Rodrigo Sopena.
• Directors Luis Piedrahita and Rodrigo Sopena were inspired by the films of Alfred Hitchcock and novels of Agatha Christie when making this film.
• The directors chose to make the main characters mathematicians because they believe they can be cold and rational but at the same time passionate and temperamental.

If you like Fermat's Room, try these:

• Saw III
• Beyond Remedy
• Deadline
• The Killing Room