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Yuliy and the Jaegers plan an assault on a vampire meeting in Shanghai, then follow the ringleaders across the sea to Tokyo.

After Agatha's attack, Yuliy recovers at the house of a doctor conducting advanced research. Agatha hasn't given up yet.

Shaken by his encounter with one of the vampires during the attack, Yuliy recalls his childhood and how he came to meet Willard.

The team investigates the researcher's death, and Willard crosses paths with a secret agent. Yuliy and Dorothea head to Shizuoka.

Aboard the train, Yuliy meets someone he thought was dead: his brother. When a group of bandits attacks the train, they make a strange discovery.

The vampires determine that the Ark of Sirius isn't in Tokyo, but they still have one task left in the city. Willard learns something urgent at the bar.

The military interrupts the vampire assault on the mansion. Mikhail and then Kershner tell Yuliy about the Ark and how it relates to his past.

Alone, Yuliy heads to southern Karafuto/Sakhalin on the trail of the Ark of Sirius. His brother and the vampire prince Yevgraf are already there.

Yuliy and Bishop meet an old man who knew Yuliy's father, Alexei, but he refuses to say anything further. In town, they run into Ryoko and Iba.

Willard and the Jaegers find an artifact related to the Ark and set out after Yuliy, who's almost reached both the sanctuary of the Ark and his father.

As Willard and the Jaegers fly towards Karafuto, Bishop makes his move. With Ryoko and Iba as backup, Yuliy confronts the vampires and his brother.

Mikhail confronts Yevgraf, but he's already consumed the Ark. With Yuliy and Willard aboard, the airship flies toward the final confrontation.