Filming in a beech forest: Rejuvenation and shade growth of beech, ground-covering herbs, soil profile, mycorrhiza and root-connections between different individual trees. Expansion of leaf and flower buds, maturation of male and female flowers, opening of cupules with release of fruits, autumnal leaf colouration, germination of beech fruits and expansion of primary leaves. The film discribes morphological details in an ecological context.