When Cate Rivers leaves her husband in the middle of the night with their young daughter, Eliza, she has no idea what the future holds. Taking a live-in position at Hollow House on the Dorset coast, she determines to make a new life for her and Eliza. But Cate's new boss, fossil hunter Charles Thorner, could do without the problems of a couple of runaways under his roof. He's got enough worries of his own, including a painful past which still holds him prisoner today. As the two of them learn to work alongside each other, secrets are shared and a new closeness is found, but they soon discover that you can only hide from the past for so long. . .