As the preview opens, the reader is introduced to Mariana Andros, who is looking back to the loss of her beloved Sebastian, and not dealing well with moving on following his death. The reader becomes enmeshed in the intrigue of her group therapy practice, and then Mariana receives a disturbing call from her niece, Zoe. Is there something Zoe has learned about one of the aggressive patients in her therapy group, or is it something more sinister? What a thriller, can hardly wait to read more!