Mo. Rev. Stat. § 429.240: Judgment on personal service.

When the debtor has been served with summons according to law, or appears to the action without service, the judgment, if for the plaintiff, shall be against such debtor as in ordinary cases, with the addition that if no sufficient property of the debtor can be found to satisfy such judgment and costs of suit, then the residue thereof be levied as provided in section 429.230.