Welcome to Malory Towers, where there's more to life than lessons!

Darrell Rivers is delighted to be Head Girl of her form - and this year her sister Felicity joins Malory Towers, too.

Most of the time Darrell couldn't be prouder of Felicity, but she's much less keen on her sister's trouble-making new friend. With twins Connie and Ruth also causing problems, Darrell's first term in charge is a big challenge....