At the crack of dawn, Finn and his younger brother Charlie run away from home, to avoid getting split up by their separating parents. They're trying to reach the wild west coast of Ireland. Home of their beloved and eccentric grandad, John, who they haven't been allowed to see since all the fighting began. On their 500-mile journey across land and see, they must survive on their smarts, charm and the kindness of strangers – especially a free-spirited street musician, Kait, who is escaping troubles of her own.