本剧改编自作家雫井脩介所著的同名小说,主人公是住宅设备机器公司的营业员,讲述了他受邀回到老家参加同学会,与同学们一起对过去在高中时期体罚学生的教师进行报复,但后来发现了老师的尸体,使他们陷入互相猜忌之中……。When an unidentified hiker is found deceased in the Florida wilderness, authorities release a sketch. Multiple hikers call in claiming to have met the man. There's only one problem – he never told them his name. It would take two years, thousands of devoted internet sleuths, and a miracle of science to identify him, and that's when the trouble really starts. A character-centric...。