Choi Seunghyun is a quiet, and reclusive run of the mill office worker. Those who know him label him as "dull" or "boring". He's perfectly comfortable with his monochrome life until by a twist of fate he decides to help a near-frozen man he found on the street. Will he be able to retain the normality in his life with this mysterious man around 24/7?  Or will his life be turned upside down?

Sungjae is a the hardworking student of a single mother, who has not had it easy in life. Peniel is the 23 year old leaving home for the first time to live far away from his supportive family. When these two near-opposite peronalities meet, sparks fly. Are the sparks of repulsion, or of love?