第 20 集: 向瑛調查小提琴家茅野夢，關於她父親被鄭道輝刺殺一案。

20

Xiang Ying sees a newspaper article about the young violinist, Yume Kayano, and realizes she is the daughter of her last assassination target for Zheng Dao Hui. Xiang Ying meets Yume and finds that she has requested City Hunter to investigate her father's death. Yume tells Ryo that all evidence of her father's existence has been destroyed, and that her father was smiling when he died. Ryo learns from Chen that her father was and assassin called Mad Dog who used bombs to kill his targets, often catching others in the blast. When Yume's teacher, Haruka Takanami, is shot at, Ryo suspects that Mad Dog's former partner Dog Walker is responsible. (Source: Wikipedia)