Shiro the dog transforms into a superhero and goes on a mission to save the Bobobobone from falling into evil paws.

Shiro heads to the biscuit factory and finds himself fighting over the mystical Bobobobobone with Deca.

Shiro heads to a jewelry shop with tight security when he finds out that the Bobobobobone is there.

Shiro and Deca fight on a balloon as they go in search of the Bobobobobone!

Traces of the Bobobobobone are found in the Deep Deep Lake; Shiro tries to dive into the lake by holding his breath, but Deca interferes with his boat; Shiro and Deca fight over a bone-shaped hermit crab.

Traces of the Bobobobobone are found at a riverbed. As Shiro is about to jet out to the riverbed, his owner decides to take him for a walk.