影片根据推理作家中山七里的小说改编，深川荣洋执导，两人在电影里将搭档饰演刑警，讲述以安乐死为手法的连环杀人犯和刑警搭档之间展开的惊心动魄的攻防战。。Follow a year in the life of the forest, told through the eyes of its most iconic inhabitants: New Forest Pony spring foal, a pair of rare goshawks nesting in the ancient woods and a fallow red deer stag.。