Princess Luna is in deep trouble. Princess Celestia has been murdered, and all the evidence points to her. The only thing is that she doesn't remember the last twenty-four hours. All she knows is that something sinister is going on and that her own life is in danger.

Chased by a detective who is above the law, she must prove her innocence or face execution. When all the evidence points to her, only her missing memories remain to exonerate her. Will she find the keys to unlock these secrets, or is it already too late?