Three men are found dead in a locked second-floor office in Honolulu. There is no sign of struggle, though their bodies are covered in ultra-fine, razor-sharp cuts. With no evidence, the police dismiss it as a bizarre suicide pact. But the murder weapon is still in the room, almost invisible to the human eye. In Cambridge, Massachusetts, seven graduate students at the forefront of their fields are recruited by a pioneering microbiology start-up company. Nanigen MicroTechnologies sends them to a mysterious laboratory in Hawaii, where they are promised access to tools that will open up a whole new scientific frontier.