Johnny Puff and his friends go on a secret mission to save Taigasville from the evil plans of the villainous engineer Otto von Walrus.

A pair of children befriend an eccentric old man, who lives isolated on the far shore of their island home. But it turns out that the old man knows a terrible secret about the island and the whales who sometimes come. Meanwhile WWI is making life hard in the village.

The 8 year-old bear Bertram goes on a journey with his best friend Muffin, to find out where he really belongs.