This is not a simple love story, perhaps it represents the memories and youth of a generation. Nan Jue lives a sober life, trying hard to resist the darkness of reality and trying to maintain her clarity and innocence. Perhaps it was God's favor that she finally met him, Sheng Xiyan. However, fate pushed them to the crest of the irreversible wave again and again. People gradually came and went in the originally simple world, and people who originally loved each other gradually walked out of each other's world.