An ex-convict named Babu Lal receives a call offering to pay him to murder a man. Reluctant to return to a life of crime, Babu Lal contacts CID officers to track down the caller. But even after setting up a sting operation with Babu Lal’s help to catch the caller, the officers are outsmarted. The caller has sent a decoy in his place. The identity of this killer remains unknown. So, will CID find this mysterious caller and prevent this murder?