A boy builds a snowman one Winters day, at the stroke of twelve midnight that day, it comes to life. The boy helps the snowman become acquainted with everyday items and things around his house. The snowman then takes the boy flying over his own town and into the Arctic, were they attend a snowman party. The boy is returned home and the boy wakes up the next morning to find that the sun has melted his new friend. Wondering whether or not it was all just a dream the boy realises he still has the scarf Father Christmas gave to him in the Arctic and that the whole incident was actually real.
After a young boy and his mother move house, he finds a box hidden under the floorboards of his bedroom. Insside he discovers a hat, scarf, some lumps of coal and a shrivelled tangerine. After it starts to snow he creates a Snowman and, with some spare snow, a Snowdog. At midnight that night , the Snowman and the Snowdog magically come to life taking the boy on an adventure with them.