From her lookout on the first floor, Ginny watches and waits for her adored younger sister to return to the crumbling mansion that was once their idyllic childhood home. Vivien has not stepped foot in the house since she left, forty seven years ago; Ginny, the reclusive lepidopterist, has rarely ventured outside it. The remembrance of their youth, of loss, and of old rivalries plays across Ginny's mind. Why is Vivi coming home?