They danced by the light of the moon

Former Detroit teacher Andy Gammon can't help getting involved when history meets mystery. Add in a couple of prime specimens of 19th-century New England architecture -- her other passion -- and Andy is exploring back hallways and underground tunnels to learn why a woman was killed at the Grand Hotel of the Atlantic on the night of the reopening gala, why another woman disappeared from that same room a century ago, and what connects the two.