Casey Jones attempts to find a man known for harassing his victims through crude, obscene, and threatening messages over the phone. The case gets heated when Casey must play the part of the victim to lure this mystery man out.
While delivering a woman to jail, Casey gives her an opportunity to get away when she makes the mistake of sympathizing with the her. Now Casey must fix her mistake by recapturing the culprit and bringing her in for good.
Casey must obtain concrete evidence, or find a witness, so she can break a man's alibi and arrest him. But this proves difficult as she must maintain her cover in the process, so she pits the men against each other in the hope that one will turn the other in.