When Dennis Wheatley flew off to tour the Far East, anyone could have foretold that he would soon be entertaining his vast public with a gripping tale set in the flamboyant Orient. The opening of the story is macabre; a Japanese father regarding the severed head of his son which had been sent to him in a box. Of that, the lovely half-English, half-Chinese Merri Sang knew nothing, neither did Julian Day nor Bill Urata, both of whom were head over heels in love with her; but the father's thirst for revenge brought all three of them into deadly peril.