Los Angeles, 1988. Kate is out with an injured foot, leaving George Frankly to investigate a strange set of pranks. One by one, a different brand of bank falls prey to a prank, and the hoodlum responsible leaves a poetic note on a bank slip. But there's more to the caper than that, as Kate telephones in to say she has looked through the rear terrace. She has seen someone working on plastique bombs.

Santa Monica, 1986. After the Mathnetters help estimate the crowd at a parade honoring rock star and Burbank native son Steve Stringbean, they get word Stringbean has been kidnapped. His buddy Rimshot helps Kate and George immensely on the pursuit of the kidnappers. One strange lead is a badly-written march called 75 Trombones.

Los Angeles, May 1986. George Frankly comes back from a week in the Great North Woods. He has just heard of a robbery at the Next to the Last National Bank three days before. When he and Kate look at the bank's videotape recording of the robbery, they see the impossible: George is doing the heist. Evidence piles up against George as his preliminary hearing looms. George knows he is innocent, as does Kate. But can they prove it?

Los Angeles, 1988. A shocking development in the rapidly-deteriorating TV scene: The Mike Pliers Show has been canceled. The leader of the Mike Pliers Fan Club wants to know the truth behind its axing. With the Mathnetters at her side, she learns that it all comes down to ratings and Nielsen boxes. But these numbers don't add up to what they say.

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