The Captain of the Lunar Guard is now retiring. He wants his son to take over his job and protect Princess Luna, yet his son is just as stubborn as himself and refuses. Crescent Knight is his son and heir to being the next Captain. This Pegasus has a huge grudge against his father because of the death of his mother. Somepony now threatens to kill Princess Luna. Will our Lunar Knight be able to stop this assassin or will his past stop him from approaching the matter?

*WARNING* This story is not going to be a Luna+OC shipping. The Crescent Guard mostly contains OCs.