In a private school in Xiamen, China, a young teacher Amy is found dead. After the autopsy and cremation, her fellow teachers Tina and Sally deliver her ashes to her family in the western mountains. Tina and Sally also reveal to Amy's brother Lao that she was raped and murdered by the school's headmaster Cho. Tina, Sally, and Lao plot revenge against Cho and succeed, an action that throws their lives into chaos. They flee from China. Lao hides out...