Based on

Movies like The Sun and the Little Snow Men (1985)

This story took place one day in winter, when snowmen in the woods were afraid that the heat radiated by the sun would bring them irreparable harm. These kind creatures just did not want to melt and decided to find the sun, urged him not to warm the earth. They did not even know how it looks like when they started their path, and then they realized all living things need it...