- Country: Hong Kong
- Genres: Mystery
- Release: 1966-02-26
- Director: Xiaofeng Hu (II)
- Writers: Songling Pu , Ran Zhou
- Language: Mandarin
- Stars: Kao Yuen , Fan Ping (1919–1999) , Baozhen Wang , Xiaoyan Wang
- Runtime: min
- Awards: N/A
- AKA: Scarlet Shadow (Hong Kong) , Yanzhi hun
- Plot: N/A
- IMDB:tt0828139