He seemed cold but was actually warm. After an accidental encounter, he noticed her from then on. She is taciturn and rarely talks, and does not approach others easily. She would rather live in a familiar world and be in contact with familiar people. When they met, after experiencing all kinds of life, she was gradually moved and infected by him, and started a different life. The sweet heartbeat in life, I really want to keep it like this. However, the road of love in the world is always bumpy, and they are no exception. No matter how deep the love is, the reality is always shallow. In the end, can they fulfill their lifelong promise?