DSP Dev 2019 Synopsis - The movie narrates the story of the son of an honest Police officer. Dev Shergill has always coveted the job for the power it commanded. And after the death of his father on duty, it happens. But his unethical ways makes him politicians favourite. However, a series of incidents and a startling revelation about his father’s death forces him to reconsider his principles and it is then that he embarks on a path of redemption.