Rescued against her will from the BOFA, Luna, captain of Erebor, has been kept hidden from all in Rivendell for sixty years, suffering from memory loss, until today, as a whole new quest to save Middle-Earth from Sauron calls for her. Will she be able to fight alongside a new company tough and recover from her One's death? Nothing ever seemed less certain...

From the line of the captains of Erebor, Luna has come to help her king reclaim the lonely mountain and fulfil her family's duty by protecting the heirs of Durin. But when living with a company of dwarves and confronted to the perils of their journey, the girl's heart, grieved by a dark past, will be assigned yet another much more difficult task when met with a young dwarf prince.