"In the midst of Sarah and Frank's wedding preparations, Sarah accompanies her mother on a condolence call to the Upper West Side, where Charles Fairfax, the son of family friends, has died unexpectedly after suffering from a mysterious disease. It is a tragic and all-too-common story--or so it seems. Charles's father asks to speak with Sarah privately. He believes his son was poisoned and would like Sarah and Frank to look into the matter with the utmost discretion"-- Provided by publisher.