Roland, no one knows her origins, no one knows her life experience, no one knows where she came from, no one knows why she came here. Inadvertently, the past is gradually connected like a broken bead chain. She seems humble and ordinary, and her pure white heart is gradually stained with black spots by the world. Her brother, who wanted to put her to death for her father's inheritance, trapped her in a sea of fire many years ago. Many years later, she miraculously survived and lost her memory. She met her brother again in the bustling city of St. Louis. Her brother, who was worried about his inheritance, once again had murderous intentions for her. Roland and the "girl" who appeared to be dressed in black began to flee for no reason. After experiencing all kinds of terrible joys and sorrows, Roland's heart lost its former purity. After killing her brother, she hid in this world and no one saw her again...