When Dr. Alicia Seberg, a government research scientist (guest star Amy Price-Francis), is exposed to a deadly toxin while at work and has only hours to live, she calls Patrick Jane and the CBI to find her murderer.
The team tries to track down a Marine's old unit after he is murdered by an exploding cell phone.
When Billie starts dating a colleague from her newspaper, Zack is unable to hide his jealousy.
