Jiang Jiuming, a secondhand goods dealer at Panjiayuan, starts livestreaming antiques appraisal online to save his mother. He never expects to attract the attention of the Inspection Bureau and get dragged into a decades-old cold case. The circumstances surrounding his father Jiang Jiuming's death are shrouded in mystery. To uncover the truth, he goes undercover, using his expertise in antiques appraisal while livestreaming and working as an informant. But the real mastermind behind it all turns out to be someone else... How will he crack this impossible case? How will he bring down the one who thinks himself Heaven's equal? He'll have to rely on his livestream antique appraisals.
