The shop Ratman started selling dirt-cheap diamonds is thriving. When Kitaro expresses his suspicions about it, Ratman refutes him and declares he's cutting ties with Kitaro. The truth is, Ratman has a secret partnership with the Wheel Monk. Ratman leads humans to the Wheel Monk where the Wheel Monk eats their spirits. When their spirits are consumed, the humans turn to diamonds. Selling those diamonds has made Ratman very rich and he's indulging himself to his heart's content. Just then, a group of humans who have lost business because of Ratman, the Diamond Syndicate, appear before him and kidnap him...!
Things are going in a weird direction...
...تسير الأمور نحوى منحنى غريب
Das entwickelt sich echt
in eine unschöne Richtung …
Esto es malo.
Les choses ont pris
une drôle de tournure…
Non so perché, ma questa faccenda
 ha preso una brutta piega!
As coisas estão ficando complicadas...
Всё начинает идти наперекосяк...