Las tres muertes de Sarah Colbert

Sheriff Sarah Colbert's life has been marked by loss and grief. After eleven years missing, her sister has been found dead in the woods. The autopsy ruled it an accidental death, but she had only been dead for a few hours when she was found. The murder of the person who discovered the body leads Sarah to believe that, even if her sister's death was accidental, there must be a connection between the two events. Where has Rachel been for the last eleven years? Why did she never contact her? And, most importantly, who was she running from when she died?