该片是由Hugh Parks,Tom Logan执导的恐怖片,于1990年上映，主要.讲述了:　　An .experi.mental drug that is supp.osed to reduce agg.ression has the. opposite effect on a ba.boon that is. being experimented on b.y a group of medical stu.dents and their. pr.ofesso.r. While they are pla.ying a fantasy .role-playing. ga.me in the.ir res.earch facility, the babo.on escapes and beg.ins hunting the.m down.