Sniper Biggett is a top secret weapon of the Marine Corps, and "One bullet, one life" is his motto. In his long and interesting career, he must have claimed more than seventy lives. As the most legendary sniper of the U.S. Marine Corps, his mission is to accurately aim and then pull the trigger of the sniper rifle. A bullet flies from a long distance to take away a drug dealer/war criminal/assassin/national enemy. But this time, his gun was forced to aim at one of his friends... Yan Ji Qin Qing.