During a San Francisco earthquake two members of a secret club enact a stunt that becomes the beginning of disaster. Soon afterwards, police lieutenant Amy Tang calls forensic psychiatrist Jo Beckett to a wreck to determine whether it was accident or suicide. Tang's concern is that similar events have ben recurring in 48-hour increments. The two women work frantically to determine who, why—and who's next. Jo's work is intensified when she becomes personally involved, both physically and emotionally.
Gardiner plays totally fair with the reader—the clues are there—but the twists are hidden. Fortunately, I began this one on Sunday afternoon, with plenty of time to reach the riveting climax before bedtime.