Heartbeat S08E12 - Shadows and Substances

When local troublemaker Stuart Chivers is put in hospital after drinking from a decontaminated stream, Mike is convinced a local factory owner is hiding something and becomes obsessed with pursuing it, with explosive consequences for himself and a number of villagers. Meanwhile, Greengrass embarks upon his most outrageous scheme yet when Blaketon is appointed as Warning Point Officer, a task which includes protecting Aidensfield in the event of a nuclear attack. Elsewhere, Bellamy's grandmother causes a stir when she leads a protest against the number of lorries passing through Aidensfield.