A college professor (Martha O'Driscoll) brings a recalcitrant, lab-raised mule named Shirley to a farm in the Ozarks. As luck (and this song-filled comedy's script) would have it, a Hollywood film crew shooting in the area needs a mule for its movie, and producer (William Wright) takes a shine to Shirley and her pretty guardian. Backwoods-flavored musical romp also stars John Carradine and B-western hero Eddie Dean. 75 min. Standard; Soundtrack: English.