A group of homeless misfits must fight for survival when they discover a plot to exterminate every homeless person in the city.

电影特技演员罗伊?沃克（Lee Pace 饰）在拍摄一组骑马从桥上一跃而下的镜头时严重受伤，导致下半身瘫痪失去知觉。此时的他极度绝望，万念俱灰，只想一死了之。正当罗伊沮丧之际，因摔断胳膊住进医院的5岁小女孩亚历珊卓（Catinca Untaru 饰）闯入了罗伊的世界。　　这两个年龄悬殊的病友就此