 Lottie expresses her troubles with trusting her parents following their recent separation and lies to each other; it is revealed that Doug had an affair, which led to Abi moving out and taking legal proceedings against him.They are only travelling to the Highlands together to appear as a couple for Gordie, not wanting to upset him in his final months.On arriving at Gavin's mansion, a tense rivalry becomes apparent between Doug and Gavin.