Conan and Heiji investigate Naoko's brutal murder and discover a trail of fish scales that suggest Naoko's killer came from the sea.
Genres: Animation , Comedy , Crime , Mystery
Keywords: adventure , age-change , anime , based-on-manga , cop , detective , dramatic , japan , japanese-high-school , mysterious , secret-identity , secret-organization , shounen , suspenseful , watch-series-online , watch-anime-series-online