Afreen, a rebellious Pakistani student sets ablaze the car of an Indian in London. Angered Afreen returns to Pakistan to ask for money from her grandfather that she has to pay in a month's time as damages. However, she gets to know that he is no more and the only thing he has left for her is a letter-delivering task, written by Ram to Sita. As Afreen sets out to find Ram, there begins her journey of discovering the secret behind the 20-year-old letter.

Close relatives, Suri and Uma Devi grow up together living next door to each other. They are made for each other but Suri takes a while to figure that out.

Kaushik, a timid medical student, finds himself battling not only his inner demons but also a sinister entity named Ghatikachalam that whispers through shadows and feeds on his fears. As his nights turn sleepless and his grip on reality begins to shatter, his family resorts to ancient spiritual rites to save him from a force far beyond their understanding.