After his wife's death, a former Navy officer finds a photograph of his Chinese lover from the Vietnam War era. After conducting an online search, he finds a woman on social media with the same name and similar physical characteristics. He cannot, however, be certain she is the same person. The young woman he loved was both poor and illiterate. The person online seemed wealthy and educated. John Yorktown decides he must know the answer to what happened to the cabaret hostess he loved in his youth. He travels to Hong Kong where he finds himself involved with a person he does not know, a woman known as the Dragonhead.