A huge project of 2011 about a quick service motorcycle driver who delivers a bomb. A huge conspiracy and spectacular action follow.A former motorcycle gang member, Ki-su, makes a living as a bike messenger. One day he witnesses the building blow up. Never suspecting he could have anything to do with the bomb, he moves onto his next job―which is escorting a girl group singer, A-rom, an ex-girlfriend from his biker days. As she puts a proffered helmet on her head, a timer mechanism is triggered and a countdown clock appears. Ki-su gets a call from a stranger telling him to make a series of deliveries within a fixed time limit. When Ki-su completes deliveries, each turns out to be a bomb.