Story follows four young men who have just turned 21 years of age. 　　Lee Choo-Won (Seo Jun-Young) is an athlete who can not forget his past love. Ma Goo-Rim (Baek Sung-Hyun) was once a popular singer, but because of a drug scandal is mired in despair. Choi Seo-Won (Choi Tae-Hwan) is a medical student at prestigious Seoul National University, but he has leukemia. Sung Dae-Sung (By...

速度是由李尚宇执导，徐俊英,白成铉主演的爱情片，在2015年上映播出，天天影视提供了速度在线观看，并且还可以支持手机看，不需要下载播放器,方便广大影迷。