In the future "New Era City", for the sake of absolute stability and rationality, human emotions are regarded as a "mental virus" that needs to be strictly controlled and eliminated. Society is built on a sophisticated data system. Every citizen is subject to emotional suppression from birth. Any violent mood swings will be regarded as "abnormal" and "purified" by professional "emotional calibrators".
Ling Yan is the best emotional calibrator in the city. He is calm and rational. He takes it as his mission to remove "emotional pollutants" and firmly believes that a world without extreme emotions is the perfect utopia. However, deep inside his seemingly calm heart, there is a emptiness that cannot be defined by data.
Su tide, a relic scavenger living in the "forgotten area" on the edge of the city. She does not believe in the "happiness" officially promoted, but instead risks her life to search for "relics" that carry real emotions in the ruins of the old world - a faded photo, a worn-out music box, a diary. For her, the joy, anger, sorrow and joy contained in these relics are the only proof of human existence.
In an unexpected action, an emotional relic marked as "extremely dangerous" tightly bound two fates that could not have intersected. Ling Yan was ordered to destroy this item that aroused strong resonance, while Su tide must protect it at all costs.
