The Weddell Sea is an unpredictable sea. It has ice floes, auroras and mirages. Sailors feared it and called it the Devil's Sea. But it's not invincible, and that mostly depends on the wind direction.
The story takes place in a bookstore in an ordinary city. What kind of whirlpool will the kind-hearted boss Liang Yongying get involved in because of her kindness?