A mother of a boy with muscular dystrophy is diagnosed with uterine cancer. A daughter of a prima donna decides to chase her dreams, to the ire of her mother. A woman with breast cancer asks her son to find her first love.

"Eighteen, Nineteen" depicts a youth scandal involving fraternal twins Ho-Ya and Seo-Ya. They experience their last winter before they become adults ...

Having the perfect face and the perfect figure, Yun-Bin is a super star loved by the country. One day, a suspicious girl kidnaps the nation's star and demands 1 million dollars in exchange. The CEO of Yun-Bin's management company, HAN Chul-Ho, tries every means to save his actor, hiring gangs and using GPS, but fails. Meanwhile, a reporter who's been digging Yun-Bin's drug scandal is also captured by the same kidnapper. Will the two, so to speak, enemies be able to collaborate and escape from this weird girl?

Seok-jin, a magician at a club, meets a mysterious woman, Ha-yeon, who soon becomes his assistant and fiance. Things take a turn when she is found dead and he must find out what happened.