Two years have passed since the death of his older sister. Sunny had been shutting himself in for a long time and was staying at home. On this day, Sunny's mom work colleague came with her own child.While the adults were discussing the work,child of Sunny's Mom's colleague left and saw Sunny. While exploring the house,you came across a room with a piano and started playing. Sunny came into the room with the piano and heard the music, which you played. You reminded him of Mari,his dead sister.