![](/images/unavailable1000x562.png)
![](https://image.tmdb.org/t/p/w200/5SE61VijJSU9lUOkCwnTtX8Hk8X.jpg)
The body of a Hong Kong investigator who had been on the trail of drug smugglers floats up in a river. After police get information that drug smugglers are secretly active in the city, an officer goes undercover as an escaped convict to infiltrate the ring.