After changing the terms of his will, bequeathing all of his fortune to his long-lost grandnephew, millionaire Frederick Trumble slips a packet of money inside a chair seat.

While pretending to be rich, Parker demonstrates Perry's latest invention, a better mouse trap, and talks Floogle into agreeing to co-invest $25,000 in its development.

Moments later, police detective Sully informs Floogle that Trumble's death, which had been made to look like a suicide, has now been ruled a murder and that he is the prime suspect.

Unaware that Pike, Arnold and Gardner are the swindlers and are spying on him, Floogle demands that Finley, the dealer, make a list of the chairs's buyers.

Unable to enter the crowded café as a customer, Floogle poses as a bass singer, so that he can join the establishment's barbershop quartet.

While singing with the group, which features "has-been" celebrities Don Ameche, Victor Moore and Rudy Vallee, Floogle sees two Trumble chairs in the audience, but in his zeal to get them, he instigates a brawl.

Pike then arranges bail for Floogle, and Homer suddenly remembers the last name--Bill Bendix, the vitamin-popping leader of a gang of crooks.

The thugs discuss their plot to murder Bendix by sending an electric shock through wires planted in the Trumble chair, which they are presenting to him as a birthday gift.

Uncredited character actors alphabetically: There is an alternative version of the film where Allen's voice periodically breaks in on the action with wisecracks a la the opening credits.

{{CN|date=December 2023}--------------------------------------------------------------------------------------------- NOTES: The Barbershop Quartet number is "Curse Of An Aching Heart", instantly recognizable from its use in the Laurel&Hardy short film "BLOTTO!