Puzzle: Treasure Hunting World

Appreciate treasures, recognize treasures, and also discern people's hearts. My family has been appreciating treasures and antiquities for generations, but when my father and sister-in-law were killed one after another. Grandpa told me not to get into this business. But I broke my promise. My mother, whom I had never met before, took me away and taught me various treasure appraisal skills. And told me that I have to avenge myself. So, I got involved. But he discovered that the disaster was not over yet.