Nikki Tesla and the other members of the Genius Academy are key suspects in the stealing of a cursed diamond from the Tower of London even though they didn't do it. The head of their school is arrested, and the academy is shut down indefinitely. The team must ask for help from an old friend of Mary Shelley's in order to clear their names. But he knows all of Mary's secrets, including ones that lead to a corrupt inventor ready to release the deadly Spark of Life virus on humanity.