臭名昭著的开膛手谋杀案发生一年后，伦敦再次受到一系列残酷杀戮的恐吓。当开膛手的可怕信件开始落在他的办公桌上时，一位无辜的记者发现自己陷入了一个致命的谜团，威胁着他周围每个人的生命。

The sole survivor of a blood-drenched massacre must team up with a rag-tag bunch of rookie cops and lawbreakers to defend a police station from an invasion of monsters from another dimension.