In the cold streets of Yokohama, a high-ranking inspector is found dead in a dimly lit alleyway-shot once in the heart, leaving behind more questions than answers. Inspector Akane, known for her precision and unshakable demeanor, takes charge of the case. As she unravels the mystery, a hidden trail of secret meetings, large cash withdrawals, and an unspoken connection to the victim begins to emerge. But the deeper she digs, the more the shadows close in, because this isn't just another case.
It's personal. And she knows it far too well.
Detective Louise Highcroft's first investigation is an open and shut case. The murderer has confessed, even led them too the body, there's no chance of him getting off in court. Its a fantastic start to her career. Her colleagues are envious and her superiors think she's marvellous, but she is troubled.
When another girl is reported missing, Louise can't accept the police view that she's a runaway starts thinking she got the wrong man.
Her search for answers puts her in conflict with her bosses, but she meets the Mental Health worker who was involved with the assumed murderer and who is convinced he's innocent. They embark on a roller coaster of a journey, putting their lives and professional reputations at risk as they work together to discover the truth.