Legolas/Hermione/Arthur - Breath of our lives

Hermione is sent to the past, where she meets a young prince Arthur. They fall in love and marry and have trouble with their relationship. Morgana attacks the castle and has Mordred attack Hermione in order to get vengeance against Arthur. Eventually, Arthur dies and Hermione is sent back in time. She goes further into the past and meets Prince Legolas. They fall in love and she returns to the Present. There she reunited with Harry and Ron. Merlin finds Arthur and they go look for Hermione.