Black aids in the search for a man who is supposedly carrying a highly contagious virus and discovers the secret behind the Human Genome Project.

!!!Tropes
* GovernmentConspiracy
* HeKnowsTooMuch: Taxi driver Gerome Knox was killed.
* HoistByHisOwnPetard: Black believes Dr. Kramer either accidentally got infected or was experimented on himself. Kramer refuses to tell him anything
* ScrewTheMoneyIHaveRules: At the end, Black ripped the check the Department of Energy gave him after using him to find Zero. The moment after he did that, an unknown person is calling his phone. Black decides not to answer it, but it keeps ringing...
* TheReveal: Zero is Dr. William Kramer, who works for the Human Genome Project.
** TheUnreveal: Kramer was in the military, taking part in the 1994 UsefulNotes/{{Rwanda}}n Genocide. But not much else is revealed.
* UngratefulBastard: Knox helped Kramer when he was infected, and was killed for his trouble.
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