1. Episode 1

A masked man disrupts a peaceful afternoon, stabbing everyone in sight. The police later find the suspect dead, making it an open-and-shut case. However, Detective Soma has his misgivings when Shuji, the lone survivor, gets attacked again. Told to survive just ten more days by a mysterious man, Shuji is forced to depend on Soma as they are pushed into a shadowy world neither are prepared for.

2. Episode 2

Nakasako is basking in the joy of turning his company's latest baby food product into a big hit. Or he would have, if he had not discovered the cause of the new face-deforming disease. When food manufacturer Titus Foods chooses to protect itself over the innocent children, Nakasako gets dragged into a conspiracy more sinister than anything he could ever imagine.

3. Episode 3

Nine days before the mass stabbing, Nakasako's accomplice, Mazaki, settles into a hotel to begin his plans. However, a theft throws everything awry, leading him and a couple of innocent hotel employees down a deadly path. In the present, Shuji accidentally finds a clue that leads to the identity of the mysterious man.

4. Episode 4

After learning Nakasako's identity, Shuji's memory leads his team to Mazaki, who has vanished; just as the case hits a wall, Yarimizu finds a clue tying Mazaki to Titus Foods and the stabbings.

5. Episode 5

When Shuji falls into a deadly trap, Soma and Yarimizu discover his painful past, forcing Soma to face his own demons; the trio uncovers even deeper secrets lurking in the shadows.

6. Episode 6

Public outcry grows as Mazaki's accusation against Titus Foods is revealed. Meanwhile, Soma, Shuji and Yarimizu finally make contact with Nakasako after confirming Mazaki's true goal.

7. Episode 7

Determined to honour the sacrifices of Mazaki and Nakasako, Yarimizu, Shuji and Soma vow to persist in their struggle. They set out on a perilous quest to uncover the corrupt dealings of those in power.