The treasure Grandma left behind!

"Wh... why is it empty?"

Yue Xiaofei couldn't help crying out at the sight inside the vault.

The enormous room was easily half the size of a basketball court, with more than a dozen rows of rosewood shelves neatly arranged inside.

Yellowed kraft-paper labels were attached to every row.

"Ru Celadon Vase of the Song Dynasty!"

"Tang Dynasty Gilded Bronze Dragon with an Iron Core!"

"Song Dynasty Jade Dragon-Pattern Incense Burner!"

"..."

Yet the shelves were completely empty, without even a trace of old dust. They had clearly been vacant for a long time.

Bai Bing stepped forward, gently brushing her fingertips over a label.

"No one could possibly steal anything from the Modu Vault!"

"The security here is the highest level in the Dragon Kingdom: triple fingerprint verification, armed patrols twenty-four hours a day, and thermal surveillance covering every angle without a single blind spot!"

"Forget a person—even a fly carrying a miniature camera couldn't get in."

She paused, then turned to Yue Xiaofei. "My guess is that these things weren't stolen. After your grandmother, Lu Lanxin, deposited them here more than seventy years ago, she quietly took them out again at some point."

Yue Xiaofei scratched his head, even more puzzled. "But if it's empty, why did that anonymous caller tell me to collect something here? They even said my grandmother had left things behind. Surely they didn't send me here to collect empty shelves?"

Just as the two were struggling to make sense of it, Bai Bing suddenly stopped in a corner at the very back of the vault.

"Wait! Something's wrong here!"

"All the other shelves are spaced a meter and a half apart, but these two rows are only a meter apart. And their bases are a full ten centimeters thicker than the others. There's