Kellerman's psychologist/sleuth Alex Delaware nimbly executes tricky steps of his own when called in to consult on the mysterious ailments afflicting a baby being seen at his training hospital in Los Angeles. In his seventh appearance (after Private Eyes), Delaware is in top form, carefully pursuing the possibility that 21-month-old Cassie Jones may be the victim of Munchausen's Disease by Proxy, a complex syndrome in which a parent, usually the mother, secretly causes the symptoms that endanger the child.