This paper examines the secret relationship between the Jewish Agency, the leaders of the Syrian independence movement, as well as the Shahbandar opposition during the Great Palestinian Rebellion of 1936 - 1939. The paper follows and examines the nature of the secret relationship that the intelligence service of the Jewish Agency established with the leaders of the Syrian National Bloc as well as the Syrian Shahbandar opposition. This research is based mainly on primary sources, particularly on the reports and minutes of the contacts and meetings between the Intelligence Services of the Jewish Agency and its leaders with the Syrian National leaders. These classified reports have been kept for decades in the Israeli Archives.