Benjamin Burdick

A scientist is deliberately exposed to a deadly toxin at a high-security biological research facility. Before she dies, she calls Jane to ask for his help in finding her killer. Once the agents have arrived on scene, however, another empty flask of the toxin is discovered, suggesting all those inside the facility have just hours to live.

Eric, Drama and Turtle are worried that Vince could be caught in a love triangle, while Ari demands loyalty from Lloyd after a showdown with Terrance.

Nick investigates a grisly murder apparently linked to the `narcocorrido', a Mexican subculture that glorifies crime. Meanwhile, Warrick looks into the shooting of a man found dead in a casino car park.

Adrian's former assistant Sharona returns to San Francisco, hoping to sue a country club after her uncle died following a fall on its stairs - but the detective spots flaws in the evidence she presents, and decides to find out what really happened. However, the constant bickering between Natalie and Sharona proves to be a major distraction.

The team attempts to extract a pair of scientists trapped inside a failing and dangerous bio-dome designed for Mars.