Heartbeat

A local woman in her mid-40s started to exhibit symptoms of Alzheimer's disease. Plus, Sophie asks Barry to set their house on fire to finally end her suffering.

Alf is convinced that he was witness to a UFO sighting during a dangerous electrical storm, but he can't remember what happened. Maggie suggests that Alf should see a hypnotist to fill in the missing moments.

While excavating Ventress' new property, Greengrass discovers a bomb that could endanger the town if the residents don't evacuate in time.

When Professor Brigstock passes away in his home, a stranger finds his body and makes off with the professor's papers.

Nick looks into a pirate radio station operating off the coast of Whitby. Meanwhile, Maggie receives a visit.

An antiques theft brings suspicion to a strange visitor while Mike decides to begin his own investigation.