

She's stuck on team #3 but solving cases #1 can't crack. Petty? Absolutely. Effective? Obviously.

Season 1 • Episode 11
LatestAkiho Takeda is assigned to #3 investigation team for The Tokyo Metropolitan Police Department. On her first day at work, a burglary takes place at a jewelry store in Shibuya. The case though is taken by the #1 investigation team which Akiho hoped to join. Nevertheless, Akiho goes secretly to the jewelry store where the theft took place. Later, a safe at a jewelry store in Roppongi is broken into. Stolen from the safe is the diamond called "Besu". The "Besu" is one of three diamonds that makes up the "Kuraida Family's Three Sisters". The other two diamonds are "Ani" and "Kyasari". The diamond "Ani" was stolen from the jewelry store in Shibuya, that occurred a few days earlier. Several people believe the two diamond thefts were done by the same person(s), but Akiho mentions the techniques used by thieves are different. Yet, Akiho believes there must be a connection between the two cases.
Acting
Nana Eikura's restrained fury—she communicates volumes without raising her voice.
Writing
Bin Konno's novel adaptation balances puzzle-box precision with workplace resentment.
Production
Tokyo's glittering jewelry districts shot like crime scenes waiting to happen.
Creator
Bin Konno
Trivia, insights & behind the scenes
Bin Konno's source novel was part of a wave of 2000s Japanese crime fiction centering female investigators who weaponize their invisibility in patriarchal institutions.
The 'Three Sisters' diamond naming convention mirrors Japanese corporate family succession dramas, where inherited objects become proxies for sibling rivalry and parental favoritism.