The protagonist (Siddharth) is food safety officer whose love interest (Catherine Tresa) have a pleasant journey and as all seems well, life presents situations in front of them which are not rosy. The food safety officer has been exposing a lot of big shots involved in adulteration and they all gang up with a plan to murder him. Discovering their plan and frustrated with the high level of corruption and adulteration going on, he decides to take his own life instead of give them a chance to murder him. After this shocking incident, there are some paranormal activities going on. Is that his spirit? Or is it his girlfriend avenging her lover's death? Will they succeed in eliminating the corruption from the food industry? Aruvam is the tale of the fight between the food safety officer, the ugly side of the food business and the fight to get rid this dark side.