Two women, Margaret Wheeler and Blanche Rylatt, go into a maternity unit to have their baby girls. The mothers strike up a friendship, gossiping late into the night. But the next morning, things start to go wrong. Margaret is convinced she's been given Blanche's baby. So begins an extraordinary story of heartache and humour, of friendship and maternal love. Had they got the wrong babies? The Rylatts refused even to consider the possibility of a mistake — besides, they had grown to love their changeling child...