Donnie plays Cat, an hitman-for-hire who regularly seeks solace with a radio talk show host on air. Listening over the airwaves is a cop played by Annie Wu who finds herself hopelessly enthralled by this mystery man, even while she is part of an investigation to solve the murders that he commits. Complications arise when Cat's old partner ends up being on the same pay roll as his employer. The two had been partners on the police force in New York until Cat got betrayed and left in prison for many years.