In the solitary journey of a boy named Ma Liang, a serendipitous encounter brings him face-to-face with Xuan Xuan, a child forgotten by his family and left uncared for. The similar fates of these two lonely teenagers draw them closer together. Amidst the storms, they establish a small home together, embracing and warming each other in mutual protection. Yet, an unexpected incident shatters their peaceful existence, as a group of uninvited guests intrudes into their lives.