A threat, known as the Ghost Murderer is loose in Canterlot. Princess Twilight Sparkle only wants to go star gazing, but her Brother is busy with Cadence and can't take her. She puts it upon herself to ask a new guard to protect her travels to the castle garden. With a twist of events, this new pegasus is put in charge of the lavender alicorn.

What happens when a threat is made directly to Twilight?

Will the direct communication between the princess and the guard be interrupted?

What extent will he go to, to protect her?

Is she worth his life?