From her lookout in the crumbling mansion that was her childhood home, Ginny watches and waits for her younger sister to arrive. Vivien has not set foot in the house since she left nearly fifty years ago; the reclusive Ginny has rarely ventured out, retreating into the precise routines that define her days, carrying on her fathers solitary work studying moths.As the sisters revisit their shared past, they realize that their recollections differ in essential and unsettling ways. Before long, the deeply buried resentments that have shaped both their lives rise to the surface, and Viviens presence threatens to disrupt Ginnys carefully ordered world.Told in Ginnys unforgettable voice, this subtle and chilling debut novel tells an extraordinary story of how families are capable of undoing themselvesespecially in the name of love.