When Ruby, an artists trespasses into a beautiful garden she is discovered by Ben, the owner. They fall in love and announce their engagement. Ruby finds inspiration for her painting while Ben embarks upon an investigation into the old temple on the lake. But this idyll is soon disrupted by Charlie, Ben's lodger, and George, his gardener. As Ben learns more about former owner Henry Faulkes, and the mysterious temple, it becomes apparent that history may be repeating itself - and that Ruby is not the only person hiding something at Oakstead ...