Fin Spencer is in BIG trouble. He upset Mrs. Johnson, and now he's not going on the class trip. But he has to, after all he's a born action hero! Stevie Knuckles Action Camp is where Fin belongs. So it's time to use the diary again—if he can just tweak what happened today, he'll be on his way to fame, fortune and fearlessness once again. But the diary has a naughty habit of backfiring, causing problems with his mates, his family and Claudia—not to mention The Python Incident.