Tina's sister Meg died in a childhood accident, and for almost forty years, Tina has secretly blamed herself for her twin's death. During a visit to her Uncle Edward and his sister Lucia , who both harbour dark secrets of their own, Tina makes a discovery that forces her to question her memories of the day Meg died. When Tina confides in her reading group friend Kath , she is encouraged to face the past, and Tina unravels the mysteries of her estranged parents, her beautiful Aunt Simone , the fading, compassionate Uncle Edward, and above all, the cold, bitter Aunt Lucia who casts a long shadow over them all.