Summerwater - Grand Format

It is the summer solstice, but in a faded Scottish cabin park the rain is unrelenting. Twelve people on holiday with their families look on as the skies remain resolutely grey. A woman goes running up the Ben as if fleeing ; a teenage boy chances the dark waters of the loch in his kayak ; a retired couple head out despite the downpour, driving too fast on the familiar bends. But there are newcomers too, and one particular family, a mother and daughter with the wrong clothes and the wrong manners, start to draw the attention of the others.
Who are they ? Where are they from ? Should they be here at all ? As darkness finally falls, something is unravelling ...