Earnest teacher Cheung (John Sham) opted to chaperone six of his prized students on a nature field trip to an uninhabited island off of Hong Kong's coast. As it developed, the atoll was in fact inhabited-by a paranoid woman and her three just as unstable sons-and not all of the visitors may be making the return home. Unusual survival horror opus from director Po-Chih Leong also stars Timothy Zao, Hoi-Lun Au, Ching-Yuen Tse, Jing Chen. 93 min. Widescreen; Soundtrack: Cantonese; Subtitles: English; audio commentary; featurette; theatrical trailer. In Cantonese with English subtitles.