Shipping after 15.04.2019.
The entire Moomin family has to leave the house which is overwhelmed by the flood in Moominvalley. The summer theater floating in the river becomes a new home for the family, and Moominpappa is excited to create a play of adventures from his youth. The excitement of the play causes the Moomintroll's tail to go bald. But Moominmamma has an unexpected...
Moomintroll and Snorkmaiden have left for a picnic ride and rowing on the river. Suddenly, they find Little My has disappeared and the chain of events begins, with which they become part of a much larger adventure.
Moomintroll wakes up alone in the middle of winter to find Moominvalley covered in snow. Walking alone in the winter silence Moomintroll has to resort to the wisdom of his ancestors to survive the winter mystery.