When a young girl becomes trapped inside an airtight safe, firefighter Alex and her partner Jakob are called to a high-pressure rescue with minutes to spare. As oxygen runs out and the girl’s frantic parents demand action, cracks begin to appear in their story. What starts as a desperate life-saving mission quickly unravels into something far more sinister. With time slipping away, Alex and Jakob must uncover the truth behind the child, the couple and the safe itself — before the clock runs out.