Summoned to his soon-to-be demolished childhood home, Mason discovers a video camera that can see into the past, driving him to record as many memories as possible before the doomed house is destroyed.。如果世界的粮食产量达到了巅峰,那么为何每一秒钟都会有孩子死于饥饿?这部影片揭示了食物供应不平衡的原因和影响,并探讨了如何才能养活不断增长的人口。。