The story is said to follow a pair of loner college undergrads, Jack and Montgomery, who order a take-out pie, but accidentally take a homemade drug that turns a two-floor journey downstairs into a “mind-bendingly transformative quest.”“邮局五楼的规则虽然不知道是什么,但是我相信每个房价不可能差别这么大,有的房间可以住人,有的房间却住了鬼,不过也不排除某个房间被灵异干入侵的可能......”……