Former orchestra conductor Gethsemane Brown moves to Ireland to teach at a boarding school. After deciphering a musical message, she meets a renowned composer's ghost who is rumored to be behind the death of his lover.

When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the brand-new spirit to cross-over.

When Gethsemane is invited to play at a wedding, she and Eamon find themselves involved in the death of a member of the bridal party.