Renjou Keishichou Kyoukouhangakari Higuchi Akira

Kosuge the president of a factory is killed by someone while returning home A bag charm is found at the scene When Akira Higuchi and his colleagues from the Metropolitan Police Departments Investigation Division investigate his home they find a bankbook with the letters A Y M and S written in English It turns out that the charms left behind were custommade by Seiji Iwai However Seiji had committed suicide five years ago in a robberysuicide case Seijis mother Mizuki is an old acquaintance of Superintendent Tendo Higuchi heads for Mizukis place