Speedy Scandalis a 2008 South Korean film written and directed by Kang Hyeong-cheol and starring Cha Tae-hyun in the lead role. This was Director Kang's first film beforeSunnyand the highest grossing Korean film of the year .
Former teen idol Nam Hyeon-soo (Cha Tae-hyun) who thinks he is pretty popular is now in his thirties and working as a radio DJ. A young woman named Hwang Jeong-nam (Park Bo-young) sent stories about her being a single mother to the radio station Hyeon-soo worked at, telling him she is going to meet her father. When He finds out that he is the father of Jeong-Nam when she comes to his apartment with her son Ki-Dong ("Wang Seuk-hyun"). He also finds out that Jeong-Nam was his first love's name and the other Jeong-Nam's real name is Jae-In. Jae-In and her son, Ki-Dong. Not believing it, he goes through a DNA blood test,and the results say that they're related. Jae-in wants to perform on stage singing, but Hyeon-soo thinks this will reveal his scandal with what's happening to Jae-In, Ki Dong, and himself. Ki-Dong's dad Bak Sang-Yeoun ("Im Ji-Gyu") finds Jae-In, when she started getting popular with her singing. They meet and chat, before Sang-Yeoun thought Jae-In was in a relationship with Hyeon-soo. Later at Jae-In's performance, Ki-Dong went missing, which brought Hyen-soo to realize that he really did care for his daughter and grandson. He gave up some of his job to be with his family and started to really love them like his children and cared for them.