Charlie goes to take an Ink blot test to be possibly chosen for an experiment. The experiment claims to make him smarter.
Climax
Charlie is chosen and the Operation is done on Charlie by a set of doctors at the Hospital. The operation is painless as he is sleeping during it.
Falling action
Why... why can i not remember?
Charlie starts learning more and Ms. Kinnian says he is making good, fast progress. He reads now at fast rates, knows many languages, can use a typewriter, and much more.
Resolution
Charlie becomes smarter than even his doctors and Algernon starts deteriorating. Charlie starts researching his own experiment and realizes he will too deteriorate and theres no way to reverse it.
Charlie starts to deteriorate. Algernon dies and Charlie is forgetting how to spell and cant remember knowledge he once knew.
Charlie finishes his journal and has fully reverted back to his old self. He writes in his journal that he's going to leave for a fresh start.
"I'm sorry everybody... I'm leaving New York for good... Goodbye..."