Cry in the Night, Rock Harbor Mystery Series

Cry in the Night, Rock Harbor Mystery Series by Colleen Coble and published by Nelson.

When Bree Nichols and her search-and-rescue dog Samson discover an abandoned infant in the forest near Rock Harbor, she begins to look for the missing mother. But what she finds is her former husband---long presumed dead---alive and well. Is he really who he says he is? Should she trust him again?