Niall, a 16-year-old aspiring actor, finds his passion at odds with his father Declan's obsession with running. As Niall lands a role in a play, his commitment to acting disrupts their training routine. Declan's disappointment intensifies after a race mishap, driving a wedge between them. Their relationship teeters on the edge as both struggle to reconcile their conflicting dreams. Ultimately, a marathon and a play become the stage for a poignant reconciliation, where Niall and Declan realise that supporting each other is the most important race they’ll ever run.