Working-class father John Crowley is finally on the fast track to corporate success when his two young children, Megan and Patrick, are diagnosed with Pompe disease – a condition that prevents the body from breaking down sugar. With the support of his wife, Aileen, John ditches his career and teams with unconventional specialist Dr. Robert Stonehill to found a bio-tech company and develop a cure in time to save the lives of Megan and Patrick. As Dr. Stonehill works tirelessly to prove the theories that made him the black sheep of the medical community, a powerful bond is forged between the two unlikely allies.

This winter is extraordinary; Moomintroll decides to stay awake to explore the winter instead of hibernating as usually. And winters are certainly totally different than he had imagined. Strangest creatures wander amidst the snowdrifts; midwinter darkness surrounds the Moominvalley, and on top of that, an eccentric guest is soon to appear. This guest requires many measures, and is called Christmas, Hemulen tells to a surprised Moomintroll.