A shocking kidnapping incident occurred in Thailand. After completing the last killing mission, the killer In-nam (played by Hwang Jung-min) went to Thailand and began to investigate the incident with his assistant after learning that the incident was related to him. On the other hand, Ray (played by Lee Jung-jae) also went to Thailand for revenge after learning that his brother was killed by In-nam. The brutal assassin and the ruthless pursuer launched a fierce pursuit without a bottom line.