Annie's celebrating her engagement to William, who adores her. His six-storey house in Knightsbridge isn't exactly a turn-off either. So why do her thoughts keep turning to her ex-lover, Ming Kwan? Liz senses something's up, but has problems of her own: another month has passed and still she's not pregnant. She and Zack have so much love to give; it's just not fair. While they've been scrupulously making love according to thermometers and calendars, high-flying sister Jo has been having the most explosive sex of her life ...with her married boss. And now she's going to have to deal with the consequences - with or without Brett. All of this seems a million lifetimes away for Caroline, who dreams of swapping coffee mornings for cocktails and wonders if her marriage to sweet but predictable Simon has passed its best-before date ...Eight people trying to manage their lives. Four sisters always there for each other. But can they really have it all? "Holding The Baby" just goes to show that a family doesn't always have to be 1+1+2.4 children ...