Civilization has been destroyed by war and pollution, but the survivors have built the last city of Ecoban. As most natural resources have been exhausted, Ecoban is powered by pollution. The citizens of Ecoban need to continue creating this pollution leading them into conflict with the inhabitants of Marr while one man just wants to clear away the clouds and see the sky.

Dokgo Tak lives brightly and strongly even though he is smaller than peers in a disadvantaged home environment. It is an uncommon setting even in the present days that he is actually a self-supporting student having father on death. focuses more on the boy Dokgo Tak who is bravely facing against his less fortunate fate than to the baseball player Dokgo Tak. Also, ‘Bong-gu’, the boy who always formed a pair with Dokgo Tak grows further after meeting Dokgo Tak while he found out that he himself is an adoptee during while wandering around.