This is set in the same universe as the Daring Do books.
This is NOT set in the same universe as Cloud Zapper and the Golden Sun and is NOT associated in any way with the Sacred Heart Saga.
Cloud Zapper is training to become a Royal Guard. But something is amiss. He must figure out what is wrong before it endangers his friends and himself. Can he pass the trials? Will he become a Royal Guard? And can he figure out what is happening before it threatens the entire of Equestria?