In March 2020, the Covid pandemic hits the sleepy English village of Brampton. At the start of lockdown, local busybody Tara Sanderson sets up a community group to help vulnerable residents through the crisis. Elderly Elspeth Chambers, her longstanding neighbour and friend, accepts Tara's offer to buy food and collect medicine for her.

But it isn't long before neighbourliness and community spirit turn sour. Tensions arise when Tara becomes jealous of Elspeth's emerging friendship with Ashley Kahn, a recent arrival in Wilton Close. Suspecting there is more to Tara's hostility toward them than meets the eye, Ashley and Elspeth start to uncover their neighbour's long-buried secrets...