Oban resident Antonia Quirke is intrigued by the strange cliffs that can be found everywhere along her local stretch of Scottish coast - and becomes more obsessed when she finds out that someone has been banging in titanium bolts to create new climbing routes up to their peaks. Joining her at the Dog Stone is geologist James Westland, who begins to unpick the history of these cliffs. She also meets two climbers heading south, a volunteer with the Woodland Trust Laura Corbe and an Australian climber called Andy who has been helping to bang in the new routes
