In the Kastner affair, as it is known, a seemingly insignificant refugee from Hungary accuses an important member of David Ben Gurion s Mapai party of collaborating with the Nazis during the murder of Hungarian Jewry. Over 30 years out-of-print, Perfidy is back, with murder, conspiracy and deep betrayal at its disturbing core. Playwright and historian of public conscience, Ben Hecht chronicles one of the most sensational yet least remembered stories in the history of Israel.