Kosher sushi, kebab stands, a secondhand bookstore, and a bar: the 19th arrondissement in Paris has all the trappings of a cosmopolitan melting pot--a place where multiethnic citizens live, love, and worship alongside one another. But dark passions are brewing beneath the seemingly idyllic vision of peacefully coexisting ethnicities. Ahmed Taroudant is an archetypal French Arab-non-observant, unable to reconcile his conflicting identities, and troubled...