In a world where environmental collapse has left survivors to fight over the precious remaining resources, a young woman's loyalties are tested by the arrival of a wounded man who discovers her family has a secret supply of freshwater.

In an alternate present, genetically enhanced humans dominate society. Outcasts Leon and Chloe fight for justice against corrupt politicians exploiting genetic disparity, risking everything to challenge the oppressive system.

在一场丧尸侵袭之后，五个学生躲进了曾经读过的高中，“出去，就会死”，但各种危机袭来，他们不得不铤而走险，如何存活？