Mo. Rev. Stat. § 419.030
No lodging establishment in this state shall be liable for the loss of any baggage or other property of a guest, caused by fire not intentionally produced by the lodging establishment or its servants, nor shall he be liable for the loss of any merchandise for sale or sample belonging to a guest, unless the guest shall have given written notice of having such merchandise for sale or sample in his possession after entering the lodging establishment, nor shall the lodging establishment be compelled to receive such guest with merchandise for sale or sample; but lodging establishment shall be liable for the losses of their guests, caused by the theft of such lodging establishment or its servants, anything herein to the contrary notwithstanding.
§ 419.030, RSMo