The French ambitions in Syria are provoking the hostility of Arab's king Feisal. Disappointed with unfulfilled promises of the Allies in the Great War, King Feisal is decisive to interfere with French interests in the Middle East, and the French are out to kill him. Jimgrim is an American secret agent working for British Intelligence who, with the help of Jeff Ramsden and the fearless lady Mabel, must protect King Faisal and Syria.