Undercover agent Chul Soo finds himself trapped in the biggest dilemma of his career when he spots his oblivious wife, Yeong Hui, while on a mission in Thailand. What surprises and concerns him, even more, is that she is accompanied by an attractive mystery man. Chul Soo confronts the biggest dilemma of his life in how to resolve the terrorist threat, protect his wife and keep his secret. Will Chul Soo be able to save both his country and his marriage?