Money From Home (1953)
Matt and Dean are in trouble. Dean owes tons of gambling debts. To pay it off, he promises to fix a horse, so that it does not run. To do that, he intends to use his animal lover, veterenian apprentice cousin, Jerry to do this. Of course, he doesn't tell Jerry the real reason. Hilarity ensues as mistaken identies are assumed, while along the way, Jerry meets a female vet and Dean falls for the owner of the horse he's promised to fix. Goons and mobsters are also lurking around; so beware!