简介：<p> A group of 83 American expatriates who work in a building in Sao Paulo, Brazil, find themselves trapped in their workplace; a voice emits over the speaker system, forcing them through a series of murderous moral decisions.
简介：<p> A group of 83 American expatriates who work in a building in Sao Paulo, Brazil, find themselves trapped in their workplace; a voice emits over the speaker system, forcing them through a series of murderous moral decisions.
