FBI agent Dickson (Grant Withers) goes undercover to infiltrate the gang led by the Chinese gangster Carney (Evelyn Brent). Whilst successful, he stumbles upon a plot to extort money from Jerry Morgan (Dave O'Brien) and helps Morgan's sister Marion (Dorothy Short) as well as bring the weight of the authorities down on Carney's gang...
To be honest it is not a bad film though the low budget shows with the limited sets and repetitive action. The action is pretty average, in many fights it looks like the same punches are re-shown to pad the film out, a problem especially when the thrown punch obviously misses!
The film is pretty run of the mill and doesn't have much not seen elsewhere many times. It is a decent watch but not much more though Carney is an interesting character which more could have been made of. The use of the Chinese Tongs might give the film a bit of novelty though only one character is actually Chinese!