"Have you ever seen fish cry?" When special agent Ryu of South Korea's secret service fails to prevent the death of an arms smuggler-turned-informant, he instinctively suspects the involvement of Hee, an enigmatic sniper from a North Korean terrorist group. A skilled master of disguise, Hee has previously assassinated many government officials but since managed to disappear, escaping the unrelenting pursuit of South Korean agents. Now it appears that she has returned.