交易：校园情侣

简和伴侣的森林之旅出了岔子，当一个陌生人出现并质疑他们关系的真实性时，她开始怀疑自己是否真正掌握了现实的全部真相。

　　Five haunted-house enthusiast friends are still trying to recover from the trauma of being kidnapped the previous Halloween by the Blue Skeleton — a group who takes “extreme haunt” to another level. They decide to face their fears in order to move on and go back out on the road to find more haunted houses. However, ominous signs of the Blue Skeleton start appearing again…

　　该电影以民国民俗悬疑为题材，讲述了一个二十年前的悲剧，以及二十年后的探秘之旅。在二十年前，龙二奎（由刘交心扮演）在赶山途中救助山中麻风病院，但一次误用山中药材却引发了一场悲剧。二十年后，龙二奎携带徒弟林耀山（由张倬闻扮演）等人再次踏上赶山之路，寻找未知的秘密。