Velin is a small village boy. He goes to Sofia and plays the shepherd`s pipe in the public park. He meets Old Blagoy and his granddaughter Rositza. The old man treats him as a member of the family... Years later, Velin becomes a promising violinist. After a successful concert, a group of patrons of the art introduces him to the rich and beautiful Irena. She, her friends and Velin go to celebrate the violinist`s success, leaving Rositza and Old Blagoy behind... Velin neglects his playing. Irena throws a party at her luxurious home. She and Velin kiss. Rositza sees them and attempts to drown herself. Old Blagoy saves her. He talks to Irena. She promises to do everything to bring Velin back to music...Velin returns to the native village. He admires nature - the song of the mountains once again rings in his heart.