'I think my real name is Samantha. I think I'm your daughter.'

When Caroline Shipley's two-year-old daughter disappeared, her whole world came crashing down.

Now, fifteen years later, Caroline receives a phone-call that could change everything.

But could this stranger really be her daughter? And what happened all those years ago to make her vanish without a trace? As Caroline pieces together the events of that ill-fated holiday, she begins to question whether the answers could lie dangerously close to home...