When Celia runs out of her history GCSE exam - right in the middle of it - she isn't quite sure where she's headed. She knows what she's searching for though. Her mother. She's already got one mother, and father, and brother - her adoptive family - but lately she doesn't feel particularly related to them. Her dad shouts and her mum just doesn't get it. She can't seem to shift the need to find her real mum - the one who left her all those years ago. She's got a vague idea about where to start, but Celia has no idea about where her search will take her - or where she'll end up...