Medical researcher Frank, his fiancee Zoe and their team have achieved the impossible: they have got discovered a manner to restore the useless. After a successful, but unsanctioned, experiment on a dull animal, they're ready to make their work public. However, when their dean learns what they have accomplished, he shuts them down. Zoe is killed in the course of an attempt to recreate the experiment, leading Frank to check the process on her. Zoe is revived -- however some thing evil is within her.