Azalar, a clever mouse who has been through torturous experiments his whole life, seeks to free himself and his people, both mice and rats, from a deranged scientist named Dr. Helgan. They face many obstacles and adversaries along the way. However, in their quest for freedom, they find help in the most unexpected way. Will they ever escape their hellish prison? Will they ever see the never-ending fields of grain their ancestors told them about?