· Protagonist: Lin Yan, a modern cultural relic restorer. After a car accident, he was transformed into an educated youth who returned to the city in 1978. He accidentally received a "golden pupil" in his right eye (which can see through, identify treasures, and trace origins)
· Restrictions: The use of the ability consumes mental energy. Excessive use will cause fainting; living creatures cannot be identified; the object needs to be touched to trigger deep traceability.
· Background of the times: On the eve of reform and opening up, cultural relics smuggling is rampant, folk treasures are waiting to be discovered, and the national cultural relics system is in dire straits.
