Mouri Kogoro, Ran, and Conan watching the ending of an old movie staring retired actress Misuzu Shirakawa at the actress's home. As the trio tour the home with the actress, her three children, and the maid, they are surprised to witness consistent quarreling in the household with Misuzu Shirakawa being the unpleasant one. As the afternoon draws close, the actress retires to her bedroom for an afternoon nap, a car accident occurs outside, and then smoke emerges from the bedroom.

Conan and the Detective Boys run into Naeko Miike and Yumi Miyamoto, who were talking about Yumi's ex-boyfriend. Naeko Miike shortly receives a call from her acquaintance, Sakurako Yonehara, about a dead body