What am I supposed to do when I'm transported 400-something years into the past?! Soojin (수진) goes on a field trip to a museum, where someone points out she looks like Queen Han Chunja, wife of the great King, Park Chanyeol. With a nervous laugh and her mind racing, Soojin promises she'll forget about it until she finds herself transported 450 years into the past, during the Joseon era and taken to pose as the missing queen until they find the real Han Chunja