Paap film is about a young girl, Kaya (Udita Goswami) , living in the beautifully serene valley of Spiti, waiting to join a Buddhist monastery, an idea which has been fed to her all her life by her father (Mohan Agashe) and one which she has never questioned.
A honest police officer, Shiven, finds that a murder has been committed by some fellow police officers. He gets this assignment and attempts to apprehend the offenders, only to find himself framed for murder, and has to run for his life. Wounded, he ends up at a Buddhist Monastery, and cared for a young woman named Kaya.
The police continue looking for Shiven, and soon trace him to the Monastery. Knowing fully well that the monks are sworn to non-violence, and will not enter into a physical confrontation to defend Shiven, leaving him alone to fend for himself.