In this episode, the juvenile detective team went to Mihua Library to read books, and happened to meet the Jiang Mumu police station who came to look for the missing librarian Yutian. Because Yutian was not found in the library, the juvenile detective team sneaked into the library at night to look for Yutian. When they accidentally discovered the plot of the library and prepared to expose his crimes, they were discovered by the curator at this time and were hunted down.

Plot analysis

At the beginning of the story, Conan went to the library with all the members of the juvenile detective team to finish the homework of the book report. At this time, the police officer's police car came outside, and Conan put down his book and joined in the fun.

The next thing I fear most is the place. The elevator is limited to seven people and Conan and his party are eight people, which is really overcrowded, but the elevator is limited to seven people according to the weight of adults, so adding Conan and four people will not be overweight.

After learning that a staff member of the library was missing, everyone in the juvenile detective group decided to stay in the library and explore. Conan said that they seemed to smell a bad smell in the library. They overheard the curator talking to himself and learned that the curator had killed the body and hid it in the library.

After the curator left, the juvenile detective team began to look for the body. But in the process of searching, Bumei turned on the light and was just discovered by the curator who had just left the museum. When I first saw it that year, Bian Xiao was scared to death. Instead of shouting, the curator sneaked back to the library and secretly observed Conan and them.

Then Conan found the drugs hidden in the book interlayer during the search, understood the reason why the employees were killed, remembered that the elevator was overweight during the day, and inferred that the body was on the elevator ceiling. Finally, there was a chase, and the curator was overwhelmed by the bookshelf.