The Detective Boys Become Models Kogoro, Ran and Conan are having dinner at home when Detective Takagi called and informed them that Conan is a witness in a murder case. They went to the crime scene and learned that the victim is called Kitasono Seiho, a painter. Nishiyama Daiki, Kitasono Seiho’s apprentice had prepared a painting of Conan and his friends at Lake Okuho that day, so the police contacted Conan to confirm the timing. The police begin to question the suspects. Detective Takagi and the Detective Boys went back to Lake Okuho to verify Nishiyama's alibi. After checking the environment and questioning the passers by, the Detective Boys and Detective Takagi are able to confirm his alibi fell apart and are able to arrest him.