An abandoned package is discovered in the Paris Metro: the subway workers suspect it’s a terrorist bomb. A Vietnamese woman sitting nearby, her son asleep on her shoulder, waits and begins to reflect on her life, from her constrained childhood in communist Hanoi, to a long period of study in Leningrad during the Gorbachev period, and finally to the Parisian suburbs where she now teaches English. Through everything runs her passion for Thuy, the father of her son, a writer who lives in Saigon’s Chinatown, and who, with the shadow of the China-Vietnam border war falling darkly between them, she has not seen for eleven years.…