Do Min Joon is a very cold and distant being person, he loved a girl who lived during the Joseon Dynasty for liking him as his true self, an alien. After the girl dies from saving him, he waits to return home. Do Min Joon possesses a near perfect appearance and enhanced physical abilities involving his vision, hearing and speed. Do Min Joon holds a cynical view to human beings, but he falls in love with actress Cheon Song Yi.