Love under the Full Moon (Scarlet Heart: Ryeo fanfic)

What was unknown to Go Ha Jin as she was transported to Goryeo, was that she wasn't the only one. Another girl died, and was put into the body of another Goryeo resident, princess of the Jung clan. A lonely girl with no family and almost no identity, Luna died and was thrust into the body of Princess Jung Hyunbin, a powerful figure that died of a mysterious head injury and was not well liked. Luna was no one special, but it seems like fate had another plan for her as she crosses paths with Ha Jin, who has now taken the identity of Hae Soo, and the 7 princes she is so familiar with. What does fate have in store for her as she tries to to figure out what has happened, and will she be able to survive through the dangerous feelings that she develops for a certain prince?