Grace wanted to give her daughters the childhood she never had. And with teenage golden girl Lilly she's never had to worry.

But when Lilly mysteriously collapses at school, Grace's carefully ordered world crashes down. It turns out Lilly isn't the perfect daughter after all and Grace becomes obsessed with uncovering the truth.

Which is when she takes her eyes off her youngest daughter, Mia and learns that the closer the family, the darker the secrets...