The story is about a boy named Mangchi. He is small, but he possesses a magical hammer that helps him get around all his problems. Mangchi lives on a small distant island called Candlestick because everywhere else has turned into a wasteland because of some big catastrophe. When Princess Poplar from the kingdom of Jemius is being pursued by henchmen of the conspirator Moonk, Hammerboy sides with her, ready to unleash all his latent powers in order to save humankind. The movie premiered at the Big Apple Anime Fest on August 30 2003, and went into wide release in South Korea on August 6, 2004.

The kitten from Yasuji Mori's earlier Koneko no Rakugaki returns, this time putting his talents toward directing a samurai film starring his mouse friends.

In ancient times, a Persian merchant gets lost in a windstorm. Suddenly a spiritual deer of nine colors appears to guide the man. Later on, the deer rescues a man drowning in a river. In exchange, the man promises not to reveal the deer's whereabouts. The man reaches an imperial palace. The king insists on hunting down the spiritual deer down to make clothes out of the deer skin. The man gives in to his greed and leads an army of warriors to the spot. He falls into the river again, hoping the deer will show up to rescue him. This time, all the warriors' arrows turn into dust and the man is drowned. (Source: Wikipedia)