Speed

Four high school friends maintain their ties but finds themselves in very different situations when they reach 21 Chuwon was a promising athlete but drinking heavily and unable to get past an old flame he ruins his prospects Goorim became on idol singer but a drug scandal has seen him fall on hard times Seowon as a medical student at a top university was faring best among them until he is diagnosed with leukemia and falls for a teenage escort from their old high school Meanwhile Daesung is a sex addict with a penchant for mature women who dreams of making his own film