Eight Hidden Families: Each Shows His or Her Special Powers

The eight hidden families - Mu, Ma, Xiong, Cai, Chang, Dai, Bai and Zhang - are hiding in the cracks of the modern city. They each have their own secret skills, each disguised as a secular identity: gardening company, city courier, foundation engineering, biotechnology, image management, big data services, security technology, psychological consultation. They guard a thousand-year secret: a century-old promise.