When people on the East Coast of the United States begin inexplicably killing themselves, the suicides are initially blamed on a terrorist attack. But as a Philadelphia science teacher (Mark Wahlberg) flees the city with his wife (Zooey Deschanel) and their friend's daughter (Ashlyn Sanchez), they begin to wonder if the phenomenon has more natural roots. M. Night Shyamalan's timely thriller also stars John Leguizamo. 90 min. Widescreen; Soundtracks: English Dolby Digital 5.1, French Dolby Digital Surround, Spanish Dolby Digital Surround; Subtitles: English, Spanish; "making of" documentary; featurettes; deleted scenes; extended scenes; more.