Achamundu Achamundu is a thriller from first-time director Arun Vaidyanathan. His maiden effort has certainly turned out to be successful as well as impressive. This film about pedophilia has already been screened at various international film festivals, earning praise, plaudits and awards.

Senthil Kumar (Prasanna), employed in a firm in the US, he lives with his wife Malini (Sneha) and daughter Akshaya (Akshaya) in New Jersey. Theirs is a happy and close-knit family. Having moved in just a couple of weeks ago, they are just in the process of getting used to life in a foreign land in a new company and surroundings. The family hires help to paint the basement in their apartment. It is then that Robinson (John Shea), a maintenance person, arrives at their doorstep. Soon, trouble follows. Using their vulnerability and naiveté to his advantage, he threatens Malini and her daughter, disturbs them emotionally and takes them into his custody. All that follows is a thrilling and nightmarish drama and the entire thrill in Achamundu Achamundu indeed makes a mark in audiences' minds.

Kudos to Arun Vaidyanathan who has packaged all the drama in a crisp screenplay that runs for just two hours of screen time. The movie is also the first full-length film shot with a Red One camera. Prasanna is an embodiment of a typical middle-class man who has left his country and roots to work and earn in a foreign land. His (contact-lens clad) eyes express a permanent longing for his native soil and people. Sneha too is equally natural as his wife and we fall in love with her almost instantly. So all the torment and dilemma she goes through affects us profoundly. Akshaya, as the couple's daughter, is the best among the three. Her performance is stunningly natural and heart-warming. John Shea's menace-filled presence and eyes are enough to instill fear in everyone's minds. Karthik Raja's background score matches the tempo and theme of the film. All in all, from title to script to screenplay to music and direction, Achamundu Achamundu turns out to be a true-blue thriller and entertaining too.