By "Fist of Fury", Kim Hyun-Soo (Sang-Woo Kwone) addicted to Bruce Lee. Year 1978. Hyun-Soo moved to KangNam, Seoul. Hyun-Soo transferred to JungMoon High, Maljuk Street, Kangnam, Seoul. He goes schooling by No.78 Bus. First day a senior male took Hyun-Soo's collar and made Hyun-Soo being punished inside JungMoon playground because of forgetting collar Hyun-Soo made friends with Kim Woo-Sik (Bruce Lee fan) and Hamburger. Hamburger always bring adult magazines to school and was always being found by the school soldiers. Hyun-Soo father had his own TaeKwonDo Dojo - his wish is to see Hyun-Soo being the top 5 in his JungMoon High class, and got himself promoted to University. One day inside #78 bus, Hamburger and Hyun-Soo met Kang Eun-Ju (EunYang Female High), a female Bruce Lee fan who looks like "Olivia Hussey", whose music favorites are Agaetha (ABBA) and Celsia Chan, Hyun-Soo began to fall in love with Eun-Ju. Hyun-Soo and Woo-Sik became rivals of Cha Jung-Hoon (Triad Head, JungMoon High) when Jung-Hoon took Eun-Ju's schoolbag inside #78 Bus, and Woo-Sik settled everything. Woo-Sik tried flirting Eun-Ju but she refused him because she loves Hyun-Soo. On a Rainy day, Hyun-Soo talked with Eun-Ju in #78 Bus, knew that Eun-Ju keep listening to a midnight radio program, and she had even wrote postcards to that program but it didn't speak out her postcard messages. Hyun-Soo lent Eun-Ju his black Umbrella and ran to home. Eun-Ju ask Woo-Sik to return the umbrella to Hyun-Soo, Hyun-Soo wrote postcard to the radio program and it spoke the message at 2am when Eun-Ju was in #78 bus. Hyun-Soo invited Eun-Ju to listen to his guitar playing. Eun-Ju asked Hyun-Soo to return Woo-Sik's pen. She even wrote her reply to the radio program. Woo-Sik and Hyun-Soo were being punished inside a wardrobe, with the soldier telling them how many Viet Congs he had ever killed in Vietnam War by himself without any comrades to help. Hyun-Soo went to library and heard Eun-Ju's postcard message in the radio program which both Eun-Ju and Hyun-Soo always listened to. Eun-Ju regret asking Woo-Sik to return umbrella and she promised Hyun-Soo that she won't ever disappoint him anymore. Then, Hamburger became Jung-Hoon's gang member. Woo-Sik tore Hamburger's adult photos, Jung-Hoon challenged Woo-Sik to roof battle. Finally Woo-Sik was defeated and was carried by Hyun-Soo. Woo-Sik even left JungMoon High without contacting Hyun-Soo anymore. Eun-Ju was being rumored to leave with Woo-Sik but lat