Mori Ran, the Model Conan and Ran were in the studio of the painter Ryuji Kasuga. On a day when Ran was out shopping, she was approached by Kasuga in front of a department store and got a part-time job as a model. He was there with his assistant Riko Mitsui and his apprentice Yoshio Komiyama. Komejima is a new artist who has recently become an apprentice, and he seems to have some feelings about Kasuga, who has suddenly started painting female figures. Riko, who is managing Kasuga, doesn't seem to be too happy about it either. Meanwhile, Conan sees something unnaturally shiny outside his window and goes out to the garden to check it out...