Mo. Rev. Stat. § 415.425
Except as provided in subsection 3 of section 415.420, unless the rental agreement specifically provides otherwise and until a lien sale under sections 415.400 to 415.425, the exclusive care, custody and control of all personal property stored in the leased self-service storage space remains vested in the occupant.
(L. 1985 H.B. 204 § 7, A.L. 2014 H.B. 1225)