When Liam is in a terrible accident, his three dogs, Riggs, Luna, and Archie, are dismayed to find themselves in a shelter. Archie is adopted first and goes willingly with a new family. Luna is eventually adopted by Liam's ex-girlfriend Sabrina, and settles into a new life. But when Riggs is placed with a new family, he runs away, determined to get the pack reunited and to find Liam. Can this family of determined dogs navigate the dangers of being on their own and be reunited with their person? #1 New York Times bestselling author W. Bruce Cameron once again captures the bravery and loyalty of man's best friends in this heartfelt standalone novel.