Murder at the Marina (Kelly Jackson Mystery #5)

Kelly Jackson, manager of the Redwood Cove Bed and Breakfast, is fond of the Doblinsky brothers, Ivan and Rudy, members of the Silver Sentinels, a crew of crime-solving senior citizens in their Northern California seaside hamlet. After she discovers a jewel-encrusted dagger-with what appears to be dried blood on the blade-on their fishing boat, they share their family history with Kelly, and she learns that the knife may be part of a set...