Paris, July 1942: Sarah, a ten year-old girl, is brutally arrested with her family by the French police in the Vel d'Hiv' roundup, but not before she locks her younger brother in a cupboard in the family's apartment, thinking that she will be back within a few hours. Paris, May 2002: On Vel d'Hiv's 60th anniversary, journalist Julia Jarmond is asked to write an article about this black day in France's past. Through her contemporary investigation,...