Hyunjun and Sawoo, close friends and rivals from the South Korean special forces, are recruited by the secret agency NSS. They both fall for Seunghee, the beautiful but lethal profiling specialist at NSS. When they are faced against each other in a nuclear terrorist attack, they are forced to make their final decision and Seunghee's formidable secret is revealed.
Grand Prix" covers the world of horse racing, centered around the romance between a male horse jockey and a female horse jockey. Seo Joo-Hee (Kim Tae-Hee) is an ambitious equestrian who loses her beloved horse in a racing accident and also injures her arm. Devastated she quits the sport and travels to Jeju Island. On Jeju Island, Seo Joo-Hee meets fellow equestrian Woo-Seok (Yang Dong-Kun), a former winner of the Japan Cup who is also experienced a similar slump as Seo Joo-Hee. With Woo-Seok's help, Seo Joo-Hee becomes inspired to compete for the Grand Prix Chamionship.
A divorced husband and wife, instead of going their separate ways, dedicate their time and energy to taking revenge against each other.
After Yi-gwak, a demon hunter, loses his beloved Yon-hwa, he enters a realm that has only spirits. He meets her there, but she has no memory of him.
Ji-su, who was returning home late at night, witnesses a hit-and-run traffic accident. There are a young woman and of Jisoo's age and a child in the street.