And So, My Children (w/ Director Q&A)

A boy named William is confronted by his mother about walking through the forest after school. However, the boy proceeds to walk down the trail, not following his mother's request. He then stumbles upon a structure that has never been there before. While observing the structure, he quickly discovers he is not alone. The presence that is with him creates a new outlook on life, and states that he must listen to everything that is asked of him. He is asked to make a promise that he is expected to keep for the rest of his life.