1La boîte
Ian Mitchell, un avocat, époux et père de famille, trouve un matin une étrange boîte devant sa maison de Los Angeles. Dedans : un pistolet chargé, la photo d'un inconnu, et un mot lui annonçant qu'il a trois jours pour le tuer...
2Proie ou chasseur
Narrowly surviving his first day in the game, Ian finds himself and his family in further danger as tactics taken by the game's creators continue to infiltrate his life.
3Les élus
After a near death encounter with another hunter, Ian discovers that 'The Watchers' steering the game are relentless as he frantically attempts to gain the upper hand.
4Les veilleurs
With the clock counting down, Ian uses everything at his disposal to save his family and comes face-to-face with the sadistic people in charge of the game.
5Chacun pour soi
With the help of a questionable criminal client, Ian devises a plan to get his daughter back from 'The Watchers.'
6Engrenages
Ian and his estranged wife Laura find themselves forced to make one last desperate attempt to save their daughter before the clock expires.