When Anna, Lizzie Thorne's charismatic sister, is killed in a tragic fall from the roof of her school, her family is devastated. One year on and grief still has a hold on them. Kate, Anna's mother, has retreated from her family and is desperate to find someone to blame for her daughter's death. Her father, Jon, is doing his best to care for his family but the pressure of holding his marriage together is pushing him to breaking point. Amid her parents' turmoil, Lizzie, Anna's younger sister, just wants to leave her sister's ghost in the past and find happiness again. But then a devastating revelation begins to raise questions concerning what really happened the night Anna died. Whilst Kate and Jon grapple with Anna's emerging secrets, Lizzie dives headlong into a passionate, but forbidden, first love affair. As the family battle to regain their footing they realise it's the love they have for each other that has the power to finally heal them.