Paediatric surgeon Anne Bennett loves her job - but she's never wanted children of her own. Offering to carry her sister's baby for her is an act of love, and she knows, practical as ever, that she will be able to remain detached. Nine months pregnant with twins, she isn't expecting to bump into ex-love Dr David Earnshaw. Their relationship stumbled over the baby issue, and the look on his face now suggests that the bottom as fallen out of his world. But when the babies are born, learning to live without them is harder than she ever expected - and Anne discovers that she needs David more than ever.