Elena who is a real estate agent travelled back in time to the Medieval Era of the United Kingdom becoming princess Lilian who is the third child of the Eckart family. She is to be married to prince Royce of the Kingdom of Landis. She made countless attempts to escape what she supposed wasn't real and unexplainable but having failed many times she must pretend to actually be their daughter to figure out everything and hopefully return back to the future. Prince Royce having no option but to marry princess Lilian because of his father demands must now force the marriage on her leading to different fights and bad situations like the death of her sister which she hid as a secret from everyone. As she investigates with her royal maid. After some time she discoveres the reason she ended up in the past is because of a magical mirror pass down from generation to generation belonging to prince Royce late mother. Elena eventually made peace with Royce so he could help her with her investigation while keeping the main truth about her real identity a secret. Their shared moments and petty fights became something wonderful when prince Royce started falling for her and trying his best to protect their marriage which is on the verge of collapsing. Elena also starting to realize how much she felt for Royce after their marriage fell apart and another woman came into his life. Time was already running out when she discovered the reason why she travelled back in time, but she must decide to stay with the one she loves or go back to her normal life. What would she choose?