Kate O'Brien is thirty and has very little to think about except trying to keep her balance as she totters up London's media-land ladder. Fiona O'Brien is Kate's responsible older sister - with a husband, twin boys, a dog and now ...a life-changing problem. It's a problem that means Kate going back to Dublin. Pronto. There she finds herself stepping into Fiona's shoes - and discovering that she's definitely not cut out to be a domestic goddess. On top of that, the ex she thought she'd got over years ago turns up to haunt ...