Everyone knows that the Moomins sleep through the winter, but this year Moomintroll has woken up in January. After his initial shock at seeing his familiar haunts under the snow, Moomintroll discovers that winter is worth waking up for after all.

Everyone knows the Moomins sleep through the winter. But this year, Moomintroll has woken up early. So while the rest of the family slumber, he decides to visit his favorite summer haunts. But all he finds is this strange white stuff. Even the sun is gone! Moomintroll is angry: whoever Winter is, she has some nerve. Determined to discover the truth about this most mysterious of...(展开全部)

When Moomintroll learns that a comet will be passing by, he and his friend Sniff travel to the Observatory on the Lonely Mountains to consult the Professors. Along the way, they have many adventures, but the greatest adventure of all awaits them when they learn that the comet is headed straight for their beloved Moominvalley.