The S.S. Gigantic competes with the S.S. Colossal in a luxury liner race from New York to France. S.B. Bellows, the bumbling brother of the owner of the Gigantic, accidentally wrecks the sophisticated engine of his sibling's ship, built by brilliant engineer Bob Hayes. Meanwhile, radio entertainer Buzz Fielding, aboard the Gigantic with his girlfriend Dorothy is hoping to win so he can pay alimony to his three ex-wives.