For American Jimmy Dwyer, the mission to spread his recently deceased father's ashes off the majestic Cliffs of Moher on the west coast of Ireland sets in motion a journey of reflection. He travels far north to the town of Killybegs, his family's ancestral home, in search of his estranged older brother Jack in hopes of bringing him home to be with their ailing mother. Jimmy's trip up the foreboding coast forces him to reflect on the bittersweet memories of his childhood family vacations to Ireland. With doubts of the future of his family, Jimmy looks to the shadows of the past for answers.