Reese and Finch realize that a virus has rendered The Machine erratic, causing it to issue numbers irregularly. As they race against the viral countdown, the team searches for a tech millionaire so elusive no one has ever seen him.
When a luminary in the world of medicine is poisoned, Reese and Finch have just 24 hours to determine the deadly toxin he was given and find the person behind the attack.
When the number of a leading tech executive comes up, Finch infiltrates her corporation to gather intel but can't determine whether she is working in her company's best interest or planning to destroy it from the inside.