When a floatplane called "The Raven" crashes somewhere in the San Juan Islands, it's up to Abigail Stanton to help Mary's beau, Sgt. Henry Cobb, find the two people on board before it's too late. Using her knowledge of the flight paths of birds, Abby leads Henry to the crash site. However, the pilot and passenger have disappeared! Where could two injured people go on foot? Abby must use all her skills to track down the survivors and discover the secrets of their hidden past. Meanwhile, will Mary's romance with Henry end before it even has a chance to begin?