Very rarely does a murder mystery thriller hold the audience’s mind captive and after quite a long time Dhuruvangal Pathinaaru does exactly that. In an industry that’s rusted by commercial cop flicks that shows the lead shouting on top of his voice and giving Sherlock Holmes a run for their money with their investigation skills, debutante Karthik Naren has delivered a convincing flick in the form of Dhuruvangal Pathinaaru . Deepak (Rahman), a retired cop, opens about a case that made him redundant, to an aspiring IPS officer. In a series of flashbacks, he recalls the day when he received news on a suicide case which was followed by another case of a young girl missing. While it’s obvious that the two cases are going to conjoin and Deepak with his constable, a new recruit, almost zeroes on the culprit behind it, fate has it that they aren’t able to nab that person, nor close the case. Why wasn’t there a full stop to this case forms the plot of Dhuruvangal...