Priya with her deaf and dumb daughter Aishu, relocate to Chennai from Bangalore for a new life in a dilapidated apartment. Twenty years before in the same apartment complex, a family of four, face a tragic incident. Except for a mentally challenged boy, the rest of the family was brutally murdered. Inspector Louthersamy who was investigating the case dies a mysterious death when he almost cracked the case. Priya's daughter Aishu disappears in a procession. Priya desperately searches for her and in the process realises that Manju is a part of the deceased family which was murdered twenty years back. Priya needs to resolve the mystery behind the brutal murder which happened twenty years ago to get her daughter back.