In the future city "Xindu" where emotions can be extracted and traded, Lin Mo, a top emotion extractor, collects rare emotions at all costs in order to save his sister who is suffering from "emotional exhaustion". During a mission, he accidentally extracted an unprecedented "paradox crystal", which actually contained an erased forbidden memory. This crystal involves him in a huge conspiracy that subverts the world, forcing him to make a choice between cold reason and true humanity, and step by step explore the core truth buried in the "New Capital".
