Author Kelly Gay brings is an interesting adventure in the years following the end of the Covenant War. Humans and aliens began to search for the wreaks of everything that had been lost during that war. One person by the name of Rion Forge has been looking for clues to find her missing father who was aboard a UNSC ship the Spirit of Fire. Captain Forge gets coordinates for salvage on a moon where a downed UNSC ship had been spotted and she takes the risk and goes for it. From there they find a small clue leading them to a downed Consonant ship and to finally a forerunner instillation. This is a great book and one that I highly recommend picking up if you're a science fiction fan.