Kang Yoon

Seongjong who history remembers, earns a reputation for appreciating the motto 'making the people feel comfortable and putting political affairs right'. He is known as the king who led his country in the most peaceful and steady way during the Joseon times. However, was Seongjong really a wise king? Seongjong was enthroned by Queen Jeong-hee, Queen In-soo, Han Myeong-hoi and his supporters. The 13-year-old king made 73 of his supporters his retainers! Numerous noblemen were happy that he became king. However, some of his people had to cry blood because he became the king. "Is this country run by phantoms like you My Lord?" Seongjong, the puppet who dreamt of a reign of peace, wishes to behead the king who dominates the people!

Seo Rin who was recognized for her directing skills abroad, returns to Korea and will be the director of a green drama "Natural Romance". She will also be reuniting with Soo Hyeok who has been with her for a long time, since they were young and on the set. Unlike before, Soo Hyeok is now a top actor. They spent their childhood together, and whenever Seo Rin sees Soo Hyeok who once confessed to her, she feels happy.

Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.

A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.

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.