The second episode presents a world of thousands of islands between Estonia, Gotland in Sweden and Finland. In the autumn, the mating calls of the moose can be heard everywhere. The largest gathering of grey seals in the Baltic Sea can be found in the Bay of Riga. On Gotland, golden eagles breed in trees. Close by is the biggest guillemot colony. In June, the young jump from the cliffs in their hundreds. 300 kilometres further north is Finland’s archipelago. Home to brown bears.