Synopsis A teenage girl is shocked when her dying Aunt makes a confusing confession, alluding to once committing murder. The young girl takes her concerns to criminal psychologist Alex Delaware, who calls on his detective friend Milo Stugis for assistance. Together the two men try to get to the bottom of the mysterious deathbed confession, but are thrown for a loop when their investigation appears to unleash a new wave of killings. OBSESSION is Kellerman's 21st book to feature Alex Delaware.