In a secret place on the planet, there were some scientists working on a secret project to develop a strange serum, but something they did not expect happened and the experimental mouse that was previously have the serum inside him escaped, And that mouse spread that serum. which led to the distortion of the world, creatures, and even humans. However, it seems that this plague does not affect children for some reason, and here comes the role of the children to know the secret of this serum.
