American graduate student Martin (Elijah Wood) has just arrived at Oxford University to study under renowned mathematics professor Arthur Seldom (John Hurt). But when the two discover a dead body, Martin's mentor receives a note stating that the murder is part of a logical series, linked by a pattern. Certain the killer is testing his intelligence, Professor Seldom enlists the help of his scholar to crack the code and stop the crimes. Leonor Watling co-stars in this adaptation of Guillermo Martínez's novel. 109 min. Widescreen; Soundtracks: English Dolby Digital 5.1, Spanish Dolby Digital stereo; Subtitles: Spanish; featurettes; interviews.