Alec and the team take on a kidnapping case at the request of a desperate father.

Their investigation is hampered by a complicated family dynamic that slowly reveals everyone’s hidden motivations.

Air Date: Monday, Oct. 16 (10:00PM – 11:00PM) on NBC.

NUP_201383_02790.jpg

Picture 21 of 25

THE IRRATIONAL -- "Zero Sum" Episode 104 -- Pictured: Jesse L. Martin as Alec Mercer -- (Photo by: Sergei Bachlakov/NBC)