本片由知名动画剧集《Avatar：The Last Airbender》改编而成。

A young street magician is left to take care of his little sister after his mother's passing and turns to drug dealing in the Los Angeles party scene to keep a roof over their heads. When he gets into trouble with his supplier, his sister is kidnapped and he is forced to rely on both his sleight of hand and brilliant mind to save her

2022年地球收到一份来自未来的召唤：30年后的地球遭遇未知物种的攻击，面临灭种危机，为了拯救地球，丹（克里斯·帕拉特饰）被招募为战士去到未来，支持地球上人类的最后一战。直到亲眼所见，丹才终于知道人类所面临的对手竟是是以人为食的残暴怪兽………关乎人类存亡的最后一场大战拉开帷幕......