I'll Get By is an updated remake of the 1940 20th Century-Fox musical Tin Pan Alley. William Lundigan and Dennis Day play William Spencer and Freddie Lee respectively, successful song publishers who make hits out of such numbers as "I Got a Gal in Kalamazoo", "Deep in the Heart of Texas", "You Make Me Feel So Young", "There Will Never Be Another You", and other favorites (the rights to all of these songs were conveniently held by 20th Century-Fox).
Young swain Toto Esposito tries to abduct his beloved to marry her, but he makes a mistake: he kidnaps an ugly woman named Carmela, who loves him--and chases him when he escapes.
After dying in a car accident, wealthy shoe industrialist Carlo Bacchi finds himself in the afterlife, where he is condemned to hell for having committed evil while alive.
Antonio is the humble servant of a rich family governed by the Marquis Gastone. He is a young man madly in love with Lulu, but she betrays him, and he desperately enlist in the foreign legion.
A young rogue kills an old lady to rob her. Arrested, he believes it is for this crime, hides nothing from his lawyer, who soon tells him that he is only accused of another theft prior to his crime.