Murong Bing is a girl with a Bing-like personality but an outstanding personality. She is rational and almost cold-blooded, and calm and uncontaminated by the world. When she was 14 years old, she hurt the first boy who confessed to her, Qi Xiaohan, and he dropped out of school and fell into depravity. But they met five years later at the Castle of Sissa in Switzerland. He had become the young master of the Qi Group, and he wanted revenge. He pursued her and then abandoned her. He thought he had won, but he didn't know that she knew everything and cooperated with her out of guilt. He was the only one who fell deeper and deeper into the struggle between love and hate. Chi Yuan deeply hurt Murong Bing when he was 14 years old, but lost his memory that year. Years later, he became a world-recognized pianist. Although he did not remember her, he was heartbroken when he saw her. Later he learned that she had deeply hurt him, but after recovering his memory, he discovered that his heartache was not only because of her guilt, but also because of his deep love for her. Their memories, the intertwined stories of love and hatred.