Maa Abbayi tells us the story of a family. The story is based on a real incident that happened in Hyderabad sometime back. Sree Vishnu is the elder son of the family consisting of father, mother, and sister. The marriage is fixed for the sister, and the arrangements kickstart in a big way. While everyone is happy and their lives are going forward in a pleasant manner, a sudden bomb blast shakes up their lives, and Sree Vishnu is left alone while others in his family members lose their lives. The rest of the story is about Sree Vishnu chasing the mystery behind the bomb blast and taking revenge.