Muira's precarious situation in the arms over her amorous lover grows tense when the old laird reveals his intention to wed and beget more heirs. Her lover begs her to help him, or both their lives will be at risk should the old laird find out about their nightly trysts. She promises to do as bidden, and her promise leads her to the far reaches of the village where the moor overtakes the fields. There she will confront an old woman who holds the only hope Muira has to saving her love, and herself.