Yeo Jang-Boo (Cha Tae-Hyun) possesses extraordinary visual acuity, he can sees everything in slow motion. He is able to see things that ordinary people cannot. When he was a little, people laughed at him. Afterwards, he spent the next 20 years at home watching TV dramas. Finally, Yeo Jang-Boo goes out into the world and becomes an ace at a South Korean CCTV control center. While doing his job, he saw his long crush childhood friend, Bong Soo-Mi (Nam Sang-Mi) and decide to chasing after her by using his expert in CCTV.