A mini-heatwave results in an influx of patients at Barnsley Hospital. 50-year-old Mark is rushed into the emergency department after an accident involving a garden shredder, while three-year-old Ophelia is brought in by her dad after a mishap with a sun cream bottle. Elsewhere, doctors treat 64-year-old Melvin, who suffers from the incurable lung condition COPD, and 27-year-old Jack is assessed after collapsing at work