Izumi Sakuragi is a new police sergeant with the Special Investigations Office, which was set up within the Metropolitan Police in November last year. The new investigation team uses DNA analysis and the latest in forensics science to investigate cold cases as well as cases suspected to involve missing persons.

• You Yokoyama
• Yasuko Sawaguchi
• Ken Yasuda
• Yuina Kuroshima
• Hayate Ichinose
• Azusa Babazono
• Satoshi Kanada
• Yohei Matsukado