While clashing with rich new neighbor Heath Barrett, Grace becomes convinced she's cursed Drovers Run when bizarre plagues strike the farm. Meanwhile, while Alex is away on his honeymoon with Stevie, Ashleigh runs amok when she undermines Marcus' authority on Killarney and seduces Patrick, causing Tayler to discover she's jealous; when Phil profiteers from high petrol prices, Moira's love is tested.