Soon after a Chinese princess comes to the US to buy planes for her people, she is murdered by a poison dart fired by an air rifle.
DIRECTOR
CAST
![](https://image.tmdb.org/t/p/w92/3dZQ2NzZwvgOVODs3WxmqrtfWU3.jpg)
Roland Winters
Charlie Chan
![](https://image.tmdb.org/t/p/w92/8vurUICm0mWmibI0fiOzbdVUxUI.jpg)
Warren Douglas
Sgt. Bill Davidson
![](https://image.tmdb.org/t/p/w92/q5p8EK30PyYWibwuDTlFIvJBiek.jpg)
Louise Currie
Peggy Cartwright
![](https://image.tmdb.org/t/p/w92/vYiDWkMSg7KMip900nozgTl6bld.jpg)
Mantan Moreland
Birmingham Brown
![](https://image.tmdb.org/t/p/w300/z64gsMvIULskAj0rfQJmhvZPfAc.jpg)
![](https://image.tmdb.org/t/p/w300/tFEbsFlw5HwReAfA7kyd7MZxUbX.jpg)
![](https://image.tmdb.org/t/p/w300/c3ay0Y6GzTT96Nhxif8aBHDvc11.jpg)
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