A request from the Count himself leads Tsuzuki and Hisoka to the Queen Camellia cruise ship to investigate its ties with the mysterious longevity of a number of people who were due to die. Once on board, Hisoka finds himself drawn to Princess Tsubaki, the daughter of the ship's owner, while Tsuzuki is horrified to discover an old accquaintance alive and well. As one of the passengers is killed, suspicions turn to all directions but Tsuzki and Hisoka have one particular suspect at the top of their list.
Una solicitud del propio Conde lleva a Tsuzuki e Hisoka al crucero Queen Camellia para investigar sus vínculos con la misteriosa longevidad de varias personas que iban a morir. Una vez a bordo, Hisoka se siente atraído por la princesa Tsubaki, la hija del dueño del barco, mientras que Tsuzuki se horroriza al descubrir que un viejo conocido está sano y salvo. Cuando uno de los pasajeros muere, las sospechas van en todas direcciones, pero Tsuzki e Hisoka tienen un sospechoso en particular en la parte superior de su lista.
