Some secrets shouldn't be kept. When Mandy hears her much-loved grandfather is very ill, she rushes to her aunt's house to be by his side. On returning to the place where she spent so many idyllic childhood summers, Mandy is shocked to discover she has no memories of those days at all. Fleeting moments come to her - a voice, a face, a feeling - but otherwise, it is as if they never happened. Nothing can stay hidden forever. As memories drift back to her during her stay, Mandy slowly pieces together the horrific events that brought an abrupt end to those summer visits. Only by facing her past can Mandy bring her family back together. Dare she lift the veil on those years of forgotten summers - and reconnect with the girl in the mirror?