The discovery of a grandfather Niki thought has died years ago means a sudden move to London and the start of a whole new life. Niki has to learn quickly to fit in to survive in the school halls and tough streets. And at the same time she must get to know her grandad and comes to terms with the fact that her mum has been hiding the truth. But when niki suddenyl discovers her mum's biggest lie of all, could it change their relationship- and Niki's own sense of identity- for good?