After a photoshoot in a secluded, forested area, all five band members are told to rest in the house they are staying at. Xiah, who desperately wants to play football, drags Max outside to play with him. Both get hurt and are rescued by a mysterious girl, who provides a place for them to heal from their injuries. However, they soon discover that she will not let them leave. Back at the main house, Micky is in his own world, extremely worried about his lost band-mates. Hero, after reading a fanfiction about his supposed romantic relationship with U-Know, becomes anxious about why U-Know is suddenly being extremely nice to him.

Rookie detective Aiba, a native of Tokyo's red-light district (with all the attitude and methods that entails), must team up with Cho, a counterpart from Seoul with equally questionable practices, to track down a dangerous criminal spreading terror across Japan, Korea, and the Philippines. While the relationship between the two investigators is frosty at first, they'll have to learn to work together quickly in the face of such a formidable adversary.