Mr. Sweet is invited to the Bond Street art gallery owned by Bartlett Bonnington; however, when Sam and Lulli go in his place, they soon find themselves in the middle of a very strange robbery. An old lady named Mrs. Kite uses a pair of lorgnettes to freeze time, enabling an oriental art-thief named Tun-Ju to steal a valuable painting named ‘The Carzette Venus’. (thetvdb.com)