Just times before a massive exhibition opens at the favorite NY Museum of Natural History, visitors are being savagely murdered in the museum’s dark hallways and key rooms. Autopsies show which the killer cannot be human…However the museum’s directors plan to go ahead having a big bash to celebrate the brand new exhibition, in spite of the murders. Museum researcher Margo Green must discover out who – or what – is doing the eliminating. But can she get it done in time to stop the massacre?