Pontypandy is on thin ice when blustery blizzards cause chaos! Trevor gets stranded in the snow with a bus full of ladies, while Sarah and James are trapped afloat on an icy island. In the meantime, Elvis just can't seem to stop on his skis and Norman's tricks cause an accidental avalanche. Even Lambikins is causing trouble when the little sheep hops on a hot air balloon by mistake. Will gusty winds sweep her away? Luckily the Rescue Team is cool, calm and ready to help. So move aside and make way, Fireman Sam is going to save the day!