George is seriously injured and is taken to the emergency ward. Full of anger, Kai takes out a Colt M1911 that his father was keeping secretly hidden, and goes alone after the man -or whatever it was- responsible for that hell, ignoring Riku who tries to stop him. Saya runs around town looking for her brother, when she meets Hagi. Now the young girl must take a decision. And there is no time for hesitation, because Kai is in immediate danger...

Saya infiltrates a girls' boarding school, the Lycee des Cinq Fleches. Hagi too sneaks in, disguised a gardener. Saya learns from her roommate Ming about a legend of a phantom who fell in love with the prettiest girl from the school and who presented her with a blue rose flower.

Kai is worried about Saya who fell out of the speeding train, but David insists on pressing on to find Dr. Ted A. Adams, a scientist involved in the Delta-67 research at the time of Vietnam War. Although they cannot find him, they find clues in his hous which lead them to an abandoned nuclear facility in Sverdlovsk-51...

Kai begs Saya to give her blood to Irene and save her from the advancing crystallization process. But Saya hesitates: what will she decide in the end?

In the meanwhile, in the Red Shield HQ, Julia continues her researches, but she notices that her mentor Collins has got in touch with an unexpected person...

Assisted by Okamura and Mao, David locates the Goldsmith and Cinq Fleches joint-venture lab in the outskirts of London. Meanwhile, Saya and Hagi discover that Diva is going to perform at the Royal Opera House in London. They sneak into the opera house, but...

Kai sneaks into Diva's show at the air force base. He is introduced to Diva by Amshel and offered to join as Diva's Chevalier. As Kai refuses, Diva bares her fangs. Just in time, Saya and Hagi arrive, but Amshel and Nathan's raid hinders them to advance. At the same time, David spots Julia in the base and follows her.