Charlie and Mrs.Kinnian work together to get Charlie smart. Charlie meets a rat named Algernon along the way and they race in a maze. Charlie gets told about an operation to help him get smart but they don't know whether to pick him or not.
Charlie really wants to be smart so he can get more friends. But he has to get an operation to get smart and it might not work at all or forever. He thinks everything will work fine ad nothing will go wrong because he doesn't understand what everybody is saying about the operation.
Charlie finally had the operation and it worked. He has been getting smarter by his writing and his reading and he learned a bunch of big words. He has also been beating Algernon in the maze. But he still doesn't get the inkblot test.