Watch Online Free on Watchseries. Detectives Eiji Takaoka and Rokusuke Togawa of the Community Safety Division at Kagurazaka Police Station are pulled into A 15-year-old serial murder case involving a crossbow killer after investigating a dog thief. This is the first feature-length installment in the five-film Kagurazaka Police Station Public Safety Division series, aired in the Wednesday Mystery 9 broadcast slot on TV Tokyo.