Wang Ying, from Ziyang, Sichuan, has worked in the Wumuzhai Police Office for 3 years. The local people's understanding of him has been repeatedly "refreshed" Wang Ying has also changed from a "stranger" to a caring person and "guardian saint" in the eyes of the people in the jurisdiction.

He and his wife Kong Fuying met and fell in love when they were working outside. They have worked tirelessly to back and forth, which has become a unique scenery in Ebony village.