DANIEL CRAIG, portraying Tuvia Bielski, leads Jewish survivors in Defiance.IMAGINE depending on strangers – and sheer perseverance – to survive against all odds. During World War II, that is precisely how hundreds of Jews, of all ages and abilities, did when they joined up with the Bielski brothers in a partisan group, who fought the German Army to keep this rag-tag community together in the forests of Eastern Europe.