Xueer grew up with her grandma. When she was seven years old, a series of thrilling and terrifying things happened around her. Grandma also got a jade pendant because of the incident. Before her death, grandma gave the jade pendant to Xueer. By chance, the jade pendant recognized Xueer as its master. Xueer also started a new journey, entering the country's special department to catch ghosts, save people, and redress injustices...
