One man's tragedy brought about the sorrow of three. Sadness cannot save anything. If left unchecked, it will eventually be irreversible.
Mu Qingyang built a wall in her heart for herself and huddled in it. However, there must be a cause and effect. When the wall in her heart was broken again, what would she see? One person's sadness has imprisoned three people for years. In the end, can they regain their happiness?