Magic Kaito 1412 S01E11 - Kid, Conan, and the Ryoma Treasure Illusion

Kaito learns who it is that his mother wanted to expose from the counterfeit scheme and decides to expose them by returning the fake cups, pistols, and letters that belong to the Ryomoa exhibit. His plans are put at jeopardy when Conan Edogawa appears on the scheme and a new security system is installed.