YalegradDanBrooks(BingCrosby)isexpectedtomarrywealthybossJ.L.Higgins'(CharlesBickford)daughterMargaret(FrancesGifford)andjointhefamilybox-makingbusiness.Heisfarmoreinterestedinracingahorseheowns,BroadwayBill.                                      　　Doingpoorlyatwork,DanandhisgroomWhitey(ClarenceMuse)leavetowntoenterBillintheImperialDerby,butfirstmustfindmo..ddd