Franciska Varga returns from L.A. only to be met at Atlanta's airport by the very two men that chased her away. Damon hopes to rekindle their relationship and Sam hopes She'll agree to help him in a new case. In spite of her misgivings, Effie is immediately drawn to the case when she gets a vision from a piece of evidence that Sam has presented her. Her vision is strong, but alarming as Damon and her boat are both in it. Effie is torn between her feelings for both Sam and Damon, but that's not her worst struggle. Her visions are growing stronger as her Clairessence--her keen sense of smelling things that are not there. As Effie keeps track of the scents drifting through her day to day life she realizes that her growing abilities are working together with an unexpected jealousy to help her solve a horrific chain of murders. Effie, the new modern day, "Nancy Drew" has found her niche, but can she keep her mind off of Sam as she works by his side? Either way, she's forced to act before an unusual killer destroys them all.