Marvin the Virus has always been an outcast in the viral world and he believes that killing and infecting other cells is his only way of life. However, he is determined to prove his world wrong when a sweet, innocent little boy falls ill to a deadly illness created by a new kind of virus who's just about as dangerous and deadly and is determined to destroy his body as part of his ultimate plan for revenge. Will Marvin be able to find a cure and save the boy's body from destruction before it's too late?