Before their divorce becomes final, Jerry and Lucy Warriner both do their best to ruin each other's plans for remarriage, Jerry to haughty socialite Barbara Vance, she to oil-rich bumpkin Daniel Leeson. Among their strategies: Jerry's court-decreed visitation rights with Mr. Smith, their pet fox terrier, and Lucy doing her most flamboyant Dixie Belle Lee impersonation as Jerry's brassy "sister" before his prospective bride's scandalized family.