It's winter in a forest thick with snow, an area shared in common by local people. Juri's grandfather Mamoru takes her there to collect sap for the first time in order to make maple syrup. Juri watches as Mamoru bores a hole in a tree. She then tries to collect some sap herself, but Mamoru stops her. Juri learns that this tree has been allowed to rest and recover. This story looks at the lives of people who work together to preserve the bounty of nature.