This story is adaption of Kennedy Xu's novel "Grave Robbers' Chronicles". 50 years ago, a group of Changsha grave robbers dug out manuscripts of the location of treasures from Warring states, but an encounter with an undead rendered almost the whole group dead. In the present, the young grandchild of the sole survivor, Wu Xie, discovers a secret within his grandfather's notes. Together with his third uncle, Wu Sansheng, and a few other experienced tomb robbers, to search for the treasure. But what no one expected to find the intriguing mysteries that accompanied their tomb robbing adventure - just who was the owner of that tomb? Will they be able to find the real coffin? And just where will this puzzle lead the group?

It has been a year since The Thunder City and the South Sea Kingdom where the true treasure is located and is now buried under Warehouse 11 under the suggestion of Wu Xie with Wang Pang Zi and Zhang Qi Ling. Since then, the Iron Triangle are living together at Wu Shanju, one of the famous places to buy treasures, artifacts and sell the same category. Wang Meng and Wu Xie are now partners in managing the place but the Wu heir is a full-time consultant of anything that the people wanted his services. Pang Zi adopted Piao Piao's only daughter, Xiao Mei, and is now living with them. He helps Wang Meng outselling the treasures they have found and bought. As for Qi Ling, he helps as Wu Xie's checker. He may be a consultant but he's still a lot that he doesn't know and his grandfather's notes are not enough to tell the person is telling the truth or not. He doesn't want the past to happen again. They have a little girl to take care of and live for now. And for others as well. Until one day, a peculiar customer came barging in at Wu Shanju when Wang Meng is about to close the shop.

it was supposed to be a vacation one unfortunate event turned their world Upsidedown