After the death of her art dealer father, forty-year-old Gaby Greenwood’s unmoored grief drives her to Paris alone, leaving her American husband behind. Where better for an existential crisis than the city so many artists have loved? Walking through the streets, she sees a man with white hair and a worn corduroy jacket—a dead ringer for her late father. A ghost? Or has mourning driven her mad? Then she receives a letter from a woman she never knew existed—her father’s lover of three decades. The mysterious Françoise has been entrusted with her father’s last gift to Gaby, a...