Falling from cutting-edge 3D games into a forgotten pixel RPG, an exiled guardian of the gaming world must secretly guide an innocent hero to the ending, uncover the conspiracy out to destroy him and the game itself.

A futuristic world where robots have become popular, Tae-pyeong is possessed by a robot body in an unfortunate accident. He meets Nana, whose life is threatened by her evil uncle, who killed her brother to take over the company. The story of a robot who sacrifices his entire body to protect a child in danger.