A father's worst nightmare unfolds when his young son vanishes without a trace. Desperate for answers, he journeys to the town where his ex-wife resides, confronting painful memories and unraveling secrets. James McAvoy takes on the role of the anguished parent, navigating this emotional terrain without a scripted dialogue, relying solely on his instincts to convey the raw intensity of a man engulfed in uncertainty. As he delves deeper into the mystery, every interaction reveals new layers to his quest for the truth about his child's disappearance.