A thrilling scene unfolds as an ambulance and a mysterious sports car, the "Hellcat," engage in a fierce race from the harbour to the mountain roads, onto the highway and the city. It feels like a showdown between two masters. Who will emerge as the new generation's racing champion? If only one can survive, who will get the last laugh?
The ambulance is driven by "Le" (E.SO), a former racing expert. Le accidentally caused the death of his brother, Chieh (Alan Kuo), during a competition. Devastated by guilt, he spiralled into despair until he met Hui (Ella), a doctor. With her help, he decided to become an ambulance driver, vowing to "save lives with speed." Alas, the owner of a mysterious race car "Hellcat" suddenly appears, he holds the list, the challenged racer is bound to die in the end ......
Underground racing is like a modern martial arts arena, where budding racers relentlessly pursue speed risking their lives; even then, it’s not enough to stop fanatics in the fatal pursuit of speed. Under the investigation of Le's three buddies (played by MUTA, Yuna Lin, Xavier Lin), the truth of each accident will gradually emerge ......…………
「宿命是一支暗箭，速度是一种抗辩。」
在如同现代武林的地下赛车界中，赛车手小乐（瘦子E.SO 饰演）因一场意外而自暴自弃，直到在一场车祸中遇见了女医生慧慧（ELLA陈嘉桦 饰演）因而转念成为了救护车司机，誓言要「用速度救人」。
「速度可以杀人，也可以救人。」
暗夜里一名神出鬼没的赛车手忽然现踪，地下赛车界顿时风声鹤唳，谁也不愿在追求速度的同时，看见后照镜里的黑色魅影。然而这名赛车手悄悄的在笔记本里，写上小乐的名字。他所追求的，是一场没有遗憾的比赛…