White Ant is a psychological drama that tells a story about sexual fetishism. Bai Yide is a young man living alone. He works at a bookstore and derives sexual pleasure by stealing and wearing women's underwear. One day, he receives a DVD in which his activities have been recorded and he becomes anxious. The DVD was sent by Junhong, who happened to know about Bai's psychological trauma stemming from working at Bai's mother's wedding dress shop.