When Leo turns up at Emma's thirtieth birthday dinner unforgivably late and horribly drunk, she can't help wishing things were different. If only someone could wave a magic wand over him and turn him into a reliable, considerate boyfriend it would certainly save her a lot of trouble.

Then Leo's path crosses with a decidedly unusual girl called Isobel and, as he falls under her spell, Emma sees him altering before her very eyes. Soon she regrets wishing for a 'new' Leo at all. And, surely, Isobel can't be for real? One thing's clear, if Emma's going to win him back, she'll need to do some changing of her own...