For those who haven't seen Andhradhun, Maestro revolves around a talented pianist, Arun (Nithiin), who pretends to be blind, thus landing a comfy playing gig at a restaurant, only to get embroiled later as an eye-witness to the murder of erstwhile movie-star Mohan (Naresh) by his wife, Simran (Tamannaah Bhatia) and her lover, Chief Inspector Ravindar (Jisshu Sengupta)