Tilly's heart sinks. Will's at the door of their cottage, daring her to come ice-skating up at Frost Hollow Hall. No one goes near the place these days. Rumour has it that the house is haunted . . . Ten years ago the young heir, Kit Barrington, drowned there in the lake. But Tilly never turns down a dare.

Then it goes horribly wrong. The ice breaks, Tilly falls through and almost drowns. At the point of death, a beautiful angel appears in the water and saves her. Kit Barrington's ghost.

Kit needs Tilly to solve the mystery of his death, so that his spirit can rest in peace. In order to discover all she can, Tilly gets work as a maid at Frost Hollow Hall. But the place makes her flesh crawl. It's all about the dead here, she's told, and in the heart of the house she soon discovers all manner of dark secrets...