Episode 1

Ceathrar dheugairean à Glaschu a' strì ris an t-streap as duilighe san RA: An Cuiltheann san Eilean Sgitheanach. Chaidh Rosie, Zach, Mairead agus Siobhan dhan sgoil còmhla, agus a-nis tha iad deiseal airson a dhol dhan oilthigh.

Mus dèan iad sin ge-tà, tha ùine aca airson aon sgiorradh eile còmhla, 's iad a' dol air chuairt dhàn a chuireas iad uile gu deuchainn. Gheibh an sgioba òg stiùireadh bho shàr luchd-iùil, ach an cois tuaineal, sgìths, acras agus fuachd, cò a choileanas agus cò a dhiùltas? An coilean duin' aca an t-streap mu dheireadh, air an stùc ainmeil, Am Binnein Do-ruigsinneach?

Four school leavers from Glasgow tackle the hardest mountain climb in the UK - the Cuillin Ridge on the Isle of Skye. Rosie, Zach, Mairead and Siobhan all went to school together, and are heading to university. But before they do, there is time for one last adventure. Together they take an epic journey that will test them to the limit.

The gang will be supervised by world-class safety guides. But they will have to face vertigo, fatigue, hunger and the cold. Who will cope, and who will say 'nope'? Will any of them make the final rock climb, up the legendary inaccessible pinnacle?