Just outside Paris, in a peaceful clearing surrounded by woods, a French flag flies above a bare concrete pad. Here, on February 21, 1944, Nazi occupiers executed 23 Resistance fighters by firing squad. After the executions, the Nazis highlighted many of the murdered fighters on a notorious red poster, labelling them as foreigners, communists, and Jews. 23 FOREIGNERS — OUR BROTHERS tells the stories behind some of the faces on that poster, exploring their lives through archival photos, letters t...