Estados Unidos, en plena época de la Gran Depresión. En medio de un ambiente de terrible miseria, gentes desesperadas, de toda edad y condición, se apuntan a una maratón de baile con la esperanza de ganar el premio final de 1500 dólares de plata y encontrar, al menos, un sitio donde dormir y comer. Mientras los concursantes fuerzan los límites de su resistencia física y psíquica, una multitud morbosa se divierte contemplando su sufrimiento durante días.
Popeye and Bluto pick up Olive to celebrate New Year's Eve with them. Popeye brings along her granny out of sympathy.
Popeye and Olive compete as partners in a dance contest. Naturally, Bluto butts in.
U.S. sailor Jimmy Harrigan, on shore leave in San Pedro, meets and falls for Sally Brent She promises to wait for him when he ships out to San Francisco, but Jimmy becomes jealous and tells her off when he learns Sally has entered a marathon dance contest sponsored by a lecherous snake named Baron Portola. Along with several of his Navy pals, Jimmy goes to the ballroom the night of the dance marathon, to try to change Sally's mind and win her back.