Detective Conan: Series 10 (2002)

The cases of a detective whose physical age was chemically reversed to that of a prepubescent boy but must hide his true mental development...While Conan visits Heiji, two murder cases occur during the trip. The first is of a contestant in a kendo tournament in which Heiji competes. The second is a tourist visiting Osaka Castle, who is burned alive and falls from a great height...While Conan and the Detective Boys help a man look for his late wife's watch, a woman is killed with a vase just after stopping by at the man's apartment...While up in the snowy mountains to make Valentine's Day chocolate with Ran and Sonoko, Conan stumbles upon the murder of a photographer...