An accident allowed Li Sucan to travel back to the Joseon era through his refrigerator. She has suffered constant disasters since she was born, and finally this time was no exception, and she met North Korea's number one killer - Lu Yun. Li Suchan believed that since he was teleported through the refrigerator, he could definitely go back through the refrigerator! In order to return to the real world, she began to search for the refrigerator. At the same time, Li Suchan also began to discover that North Korea's number one killer actually carried so many secrets...