When a popular video game company's idol-spokeswoman/head developer starts receiving death threats, the Narumi Detective Agency is brought in to protect her.

Shotaro is injured defending the video game idol, Megu Kazamatsuri, leaving Philip in charge of the investigation. But can he and Tokime put aside their differences to protect their client?

The final confrontation with the Meganeura Dopant is at hand, and just as Tokime starts to settle in at the Narumi Detective Agency, a threatening force in the city's underworld begins to stir.