In the ordinary town of Sterling, New Hampshire, a devastating school shooting shatters the community. Josie Cormier, the judge's daughter and a key witness, grapples with memory loss about the traumatic event. The trial that ensues exposes the fractured lines between adolescents and adults, and puts friendships and families to the test. Through the perspectives of the lawyer Jordan McAfee, detective Patrick Ducharme, and the shooter Peter Houghton, the story delves into themes of difference, justice, and the complex nature of human relationships. As emotions run high and truths unfold, 'Nineteen Minutes' confronts the consequences of violence and the arduous journey towards understanding and healing.