A DEAD WOMAN ASKS MERCER TO FIND HER KILLER

Prof. Mercer is approached by old friend CJ, a prominent investigative journalist, who asks for his help after she’s poisoned with a rare and deadly nerve agent.

With time running out, Mercer pieces together scant clues.

Air Date: Monday, Oct. 2 (10:00PM – 11:00PM) on NBC.

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THE IRRATIONAL -- "Dead Woman Walking" Episode 102 -- Pictured: Amy Aquino as CJ -- (Photo by: Sergei Bachlakov/NBC)