Fallen Creed (Ryder Creed K-9 Mystery Series)

K9 handler, Ryder Creed and his scent dog, Grace return to Nebraska to join FBI Agent, Maggie O'Dell and Special Investigator, Tommy Pakula on the same task force that helped rescue his sister, Brodie a year ago. But their job is interrupted when a rural postal carrier finds a black, plastic bag discarded in a grassy roadside ditch.