Lee Doo-sam is a small time smuggler in Busan, Korea. One day, he helps the mob smuggle meth by chance and finds himself falling into the dark crime world. Being quick-witted and full of ambition, he eventually overtakes the underworld and starts to lead a double life: a good community leader during day but during the night, an infamous drug lord who rules an empire.

"I'll blow up Mapo Bridge." An anonymous call comes into a radio station one day. When it turns out to be legitimate, a terrorist's threats end up getting broadcast live throughout the country.

16 year old boy, A-Reum has Progeria Syndrome, a rare genetic defect that will cause the baby to show rapid aging from an early age. Although A-Reum has struggled again the disease, he was raised as a brilliant young child than anyone else. Young parents, Mira (SONG Hye-kyo) and Dae-su (KANG Dong-won) are still in their early 30s who had A-Ruem when they both were 17 year old, sometimes act immature but they never expressed their sorrow. A-Ruem only has few month to live, and Mira and Dae-su want to denied the reality. Although knowing that he does not have much time left, they appear on a fundraising TV show in hopes of raising enough money for his medical care. A-Ruem's appearance on a TV brings everyone's attention, and he becomes pen pal with a teenager girl who's also suffering from a disease watching the show. Exchanging letters with her becomes the joy of his days. But his body becomes more weary from aging, and he even loses his vision. Written by KOFIC