Mrs. Frisby’s family is about to die, unless they do something, and fast. For summer is coming and they must move to their summer home, otherwise they will get killed by the farmer. But, there is one problem, Mrs. Frisby’s youngest son timothy, is deathly ill, and must not be moved. She decides to meet the mouse who would be able to cure her son, but their is a secret that Mrs. Frisby doesn’t know… What is that secret? Read Mrs. Frisby and the Rats of NIMH to find out!