A romantic music coming-of-age drama about grandmother Oh Mal-soon, who turns into a 20-year-old Oh Doo-ri overnight and enjoys her shining prime once again.

Based on the longest-running web-based comic series "Ma Eum Ui Sori" in Korea, "Sound of your heart" is a story about Cho Seok, an aspiring comic writer, and his strange family.

Based on the longest-running web-based comic series "Ma Eum Ui Sori" in Korea, "Sound of your heart" is a story about Cho Seok, an aspiring comic writer, and his strange family.