London, 1896, a prominent figure is kidnapped by the Chinese Imperialists and taken to the embassy’s Secret Service. Over a century later, a mysterious pharmacy pot holding esoteric inscriptions reappears in a London auction and attracts international interests. Jade, a Hong Kong journalist will engage in a thrilling race with an English printmaker and a French historian, against a Chinese criminal secret organisation to hunt for clues in order to decipher the mysterious message from Hong Kong’s colonial past.