Soi-tail Island

In the late 1960s, the situation in the north and south of the Korean Peninsula was tense, and both sides carried out crazy espionage and assassination operations.In January 1968, Kang Rencan (played by Xue Jingqiu) was sentenced to death for murder and was suddenly summoned to the detention room before execution to discuss the conditions for alternative death penalty with special forces officers. He will be sent to Shiou Island, a deserted island in the southwest for special military training.At the same time, another 30 death row prisoners were also recruited to Shiwei Island for special missions under the conditions of special forces officers.After the 31 death row prisoners arrived at Shiwei Island on a fishing boat, they formed the "684 Northern Force" to assassinate North Korean head Kim Il as the target, and immediately received a series of hell-style physical and military training.However, three years later, due to the change of the South Korean government's national policy, the plan to "684 North Send Forces" was cancelled, and the future of 31 team members was uncertain.Their feelings of sensation were betrayed by the state and they could only try to save themselves