The synopsis for The Hungry Earth, released today by the BBC Press Office.

It’s 2015 and the most ambitious drilling project in history has reached deeper beneath the Earth’s crust than man has ever gone before – but now the ground itself is fighting back.

In the latest episode of the time-travelling drama, written by Chris Chibnall, the Doctor, Amy and Rory arrive in a tiny mining village and find themselves plunged into a battle against a deadly danger from a bygone age.

The Hungry Earth airs on 22nd May at 6.15pm on BBC One/HD.