Link to story: https://www.bigfinish.com/releases/v/doctor-who-sontarans-vs-rutans-the-battle-of-giant-s-causeway-2955
The war between the Sontarans and the Rutans has lasted for millennia. And this is likely to continue for millennia.
A terrible conflict with no concern for consequences or collateral damage. Billions of people have died with no end in sight. Its scope may encompass ancient Ireland and a forest world in the distant future.
A tidal wave of time leads the Doctor, Charley and C'rizz to the Giant's Causeway in 55 BC Ireland, where the TARDIS loses its power and encounters Sontarans who believe they are Roman legionnaires. What caused this and what is the strange secret hidden in the rocks?
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