Hye Ri, a TV reporter, decides to cover the story about a disabled run-away modern slave. She learns of suspicious activity related to slavery at salt mines on a remote island and convinces her camera man to accompany her to the site. She disguises herself as a producer for a documentary on salt mines and attempts to gather information through interviewing people of the island. However, the residents of the island deduce that she is not what she says she is and slowly turn aggressive toward her team. Based on the "Salt Farm Slaves" scandal that shocked the world.