A mysterious coin found at a murder scene stirs the curiosity of young actress detective Oshichi and her brother Hyoma, who set out on a private investigation to unveil the secrets hidden behind the coin.

• Toei Company
• Hibari Misora
• Kotaro Satomi
• Tomisaburō Wakayama
• Keiko Yukishiro
• Atsuko Nakazato
• Chizuru Kitagawa
• Koinosuke Onoe
• Kinichi Hanabusa