Story about a gangster who wants to be a tenor singer in South Korea.

Based on the true story of Kim Ho-Joong, who first appeared on Korean TV show STARKING on July 18, 2009. During the program, Kim Ho-Joong surprised people with his vocal abilities and also made people cry because of his background story. He grew up as a troubled kid who joined gangs, but because of his grandmother he began to sing in earnest.—anonymous