Kevin Twerp's life hasn't been easy. His famous, pop-singing dad was killed in an plane crash, so his Mum has had to go out to work as a school nurse. She is now known by the unfortunate name of 'Nitty Norah the Hair Explorer'. And, as if that wasn't bad enough, looming like a dark shadow, is Killer Keast, the Headmaster. But then his mum decides to take in a lodger, and WPC Rose Button, the All-England Mud Wallowing Champion, joins the household. Now things will definitely start to happen!