Grammy night, 2021. Ruby wins 'Best Song' and makes an impulsive acceptance speech that excites nature lovers across the world. While Ruby and her band celebrate, an extreme evangelical sect, funded by covert paymasters, dispatches a disciple on a ruthless mission to England.

As the band plays its sold-out tour, Ruby is pursued by eco-groupies insisting she use her new fame to fight climate change.

Back home, in rain-drenched Leeds, Ruby must confront a challenge not even tea, beer or her mum's veggie lasagne will make go away. In a storm and drought-plagued world, run by...