Mo. Rev. Stat. § 513.175: Motion heard and determined in a summary way.

If any controversy arise on the motion, it shall be heard and determined in a summary way, without the form of pleading; and unless the demand be avoided, a judgment shall be rendered thereon without delay, according to the circumstances, as follows: If the value of the property so levied on, and not delivered at the day of sale, be less than such amount, the judgment shall be for the value of the property not so delivered, with ten percent damages for the delay, and costs in both cases.