Wands Upon A Time In Brimstone Bay by R.K. Dreaming

Witch Esme is settling into a new life in Bewitching Brimstone Bay when the murder of a tourist hits too close to home. Afraid her family will come under suspicion, Esme must attend a magical fairy-tale reunion ball with old foes to uncover secrets from the past. If only a certain ridiculously handsome Special Agent would stop getting in her way!