Qin Chuan grew even more puzzled when Song Yan suddenly thought of something and looked at Song Qingshan to ask, "Grandpa, if I'm not mistaken, it's because of Qin Chuan's powerful medical skills, right?"
Song Qingshan glanced at Song Yan with approval and said with a smile, "As far as I know, the reason Tang Zhonghan stole from the Imperial Mausoleum was to obtain a treasured object from within, to save his granddaughter."
"His granddaughter had contracted a very rare disease, which caused her to emit a bone-chilling cold from her body every full moon night, and with each outbreak, she would fall into a deep sleep."
"At first, she would only sleep for three to five days, but later, each time the hidden illness erupted, she would sleep for even longer, until the eruption eight years ago when she fell into a deep sleep from which she has not awakened."