The Sierra

After a bloody stint abroad, onetime spy Amir Duran, has returned home to the British colony of Granada, Spain, to do what he does best: police work.

But it’s a bad time to be a cop in Granada. Climate change has ravaged the colony’s all-powerful agricultural industry and its unscrupulous plantation owners have resorted to farming the most lucrative—and addictive—crop their hothouses can produce.

With half the city hooked on plantation dope, crime is abundant and hope is in short supply. To...