简介：We all have fantasies about fixing our lives once and for all, risking their all and getting away with it. This is the story of a group of youngsters who, as well as fantasize, get down to work. No plans of any kind and nothing to grab onto, this is how在《九玄天经》里，记载了一种比回春丹更高一级的丹药，名叫培元丹。