One autumn day, Thomas meets a Terence the tractor and mocks his caterpillars, thinking them ugly. Winter soon arrives with heavy snow, and Thomas is forced to wear his uncomfortable snowplough. He shakes and bangs the snowplough and by the end of the day it's too damaged to use again. The next day, his crew find they cannot fix the snowplough in time, Thomas much to his delight. He continues his work, without his snowplough. But when Thomas runs into a deep snowdrift and gets stuck, he immediately regrets breaking his snowplough. Bertie arrives to take Thomas' passengers, and Terence comes to the rescue. Terence pulled Annie and Clarabel away, and then came back for Thomas. Thomas thanks Terence and promises to be sensible from now on.