A timid movie theater owner is secretly in love with one of his patrons but struggles to express his...

通产省武器课长永山掌握了政客远泽的贪污证据，因而遭到追杀，永山把一卷缩微胶卷的证据藏到一只迷途的猎犬“五郎”的颈圈中，永山被杀手杀害之后，“五郎”也成为杀手猎杀的目标，刑警安高在“五郎”的主人礼子的帮助下，终于将罪犯绳之以法。