Treòrachadh on Taigh-thoirds

Tha Lucas 's Alasdair air an cumail trang ach fhad's a tha iad air falbh air gnìomh teasairginn eile, tha an taigh-sholais a' dol dheth 's a' cuir seòladairean na h-oidhche ann an cunnart. Cò bhios dàna gu leòr an dùbhlan seo a ghabhail os làimh?

Lucas and Alasdair are having a busy night and while away on another rescue mission the lighthouse is plunged into darkness, putting those who are sailing through the night in danger. Who will be brave enough to taken on the challenge of fixing this lifeline?