Byronic eco-warrior Guy 'River' Trent impresses all the girls with his idealistic views and high principles – not to mention his long dark hair and nice line in rugged jumpers.

It's not long before Carrie buys her own thick-knit jumper, Rani decides to collect and spin wool and Chloe contemplates life without hair straighteners.

With the girls competing for Mr Trent's approval, and the boys feeling more than a little jealous, the Year Nine geography field trip is going to be very interesting . . .