Kurau's latest case forces her to protect a detestable young bridegroom.

Kurau convalesces from her injuries incurred in her previous case. Christmas takes care of her, doing the cooking and the shopping.

Meanwhile, Kurau's father, is forced to use his scientific knowledge of Rynax energy to help the GPO. The GPO hunts a stray Rynax, while Doug hunts for any signs of Kurau, since she vanished from his surveillance.

Kurau and Christmas find a safe haven, living with their uncle, Frank and their aunt, Kleine, in Switzerland.

The Rynax twins, Windt and Regel, turn out to have no regard for human lives, when they act out their strategy to capture Kurau's Rynax energy.