Dangerous Encounter — Julie Coffin

When her husband leaves her for another woman and moves to New Zealand, Rebecca is devastated but must keep her feelings to herself for the sake of their son, 4-year-old Jamie. The offer of a Cornish beach-side cottage seems a good way for them to make a new start, and Jamie settles well, consoled by a new imaginary friend. But the arrival of a mysterious stranger in their lives changes everything, and nothing is as it seems...