In the barren Sand Land, a human named Sheriff Rao searches for the Legendary Spring to save his people, who are dying of thirst; Fiend Prince Beelzebub and demon burglar Thief soon join him, but desert monsters and nefarious bandits await.
The trio comes across a Royal Army tank and takes the vehicle; the Royal Army's secrets are exposed.
Sheriff Rao vows to continue his fight with Zeu and the Royal Army; General Are seeks revenge.
Rao tells General Are the truth; the Swimmers make a move; Beelzebub finds something shocking.
The trio learns the truth behind the King's water source and faces their final battle.
The trio's journey reaches its conclusion in a battle with the Royal Army.
Mutsumi Tamura
Beelzebub
Kazuhiro Yamaji
Rao
Yūichi Nagashima
Thief
Satoshi Tsuruoka
General Are
Nobuo Tobita
General Zeu