KBS1's long-running human documentary series 'Human Theater' (인간극장) is set to air a special episode titled 'Son, Make the Jelly' from April 22 to 26 at 7:50 AM. The episode follows the life of Heo Jae-sung (66), a master known as the 'Muk Dosa' who has been crafting acorn jelly for 23 years in Gongju, South Chungcheong Province. The story highlights how his five sons, who pursue diverse careers as film actors, directors, rappers, boxing coaches, and jewelry designers, return to assist their father in maintaining the family business. | KBS1's long-running human documentary series 'Human Theater' (인간극장) is set to air a special episode titled 'Son, Make the Jelly' from April 22 to 26 at 7:50 AM. The episode follows the life of Heo Jae-sung (66), a master known as the 'Muk Dosa' who has been crafting acorn jelly for 23 years in Gongju, South Chungcheong Province. The story highlights how his five sons, who pursue diverse careers as film actors, directors, rappers, boxing coaches, and jewelry designers, return to assist their father in maintaining the family business.