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.
As tensions continue to mount and truths are finally revealed, Jax is forced to make the ultimate decision.
The club focuses on flushing out an internal rat with the search for a missing member at a standstill.
The club deals with heartache internally and conflict with the organization at large; Juice is transported to Stockton.
The team sets out on a mission to take down the financier and mastermind behind several terrorist attacks.