At River Arts, Nancy's perfecting her performance—under cover!

Set high above the river, the grand old Pennington estate is the perfect place for an arts colony. College students can work with established artists, and the owner, elderly Marianna Pennington, gets to keep her home. But when Rhoda Benton, the colony's director, gets a disturbing threat, Nancy and Bess start hunting for an elusive suspect.

From the owner's nephew who wants to build condos on the property to a handsome young artist determined to break all the rules, there's no lack of candidates. But Nancy's best lead comes from someone who wants to remain anonymous—someone she'll have to meet at midnight at the edge of a cliff...