Young doctor Marsh Mowbray is invited to the home of her revered mentor, Kate Waring, on the remote coast south of Melbourne. Marsh hopes to get much-needed rest, but her stay turns out to be far from relaxing. As storms rage outside, the house on the cliff's edge seethes with hatred and tension. Two suspicious deaths follow, and there is no shortage of suspects. Marsh s efforts to explain the deaths force her to question everyone's motives, even those of Dr. Kate.