The heroine was framed by people from her own country and abandoned into the sea. The hero thought that the heroine was an important member of the enemy country, so he rescued the heroine and implanted a chip that can know what people know and think into the heroine's body to obtain more information about the enemy country. But what the hero didn't know was that the heroine's memory was designed to cause "amnesia for a year." During the year of amnesia, the heroine and the hero got along. In the film, the heroine also felt the other side of the hero under the cold mask, a person who is cold on the outside and warm on the inside. The hero also saw the heroine's unyielding and uncompromising qualities in life. The two gradually became familiar with each other and fell in love. However, a year later, the heroine's memory was restored, and the heroine's country found the heroine. They wanted the heroine to be an undercover agent to steal the intelligence of the hero's country, and they wanted the heroine to kill the hero. The female protagonist cannot bear to hurt the male protagonist, and she discovers that the male protagonist is the leader who opposes the war. During the war between the two countries, an anti-human organization was hidden that wanted to harm the people. In the end, with the joint efforts of the heroine and the hero, the two countries did not fight and the anti-human organization was eliminated.
At the end of the story, the two countries develop together and live in peace, and the heroine and heroine live a happy life together.
Mission: World peace and people's happiness