The original candidate for the suicide attack should be Xia Zuo, Grace's beloved lover, but Grace cruelly changed the candidate to Xize. But Caesar, who loved Grace so deeply, agreed to this decision. After Caesar's death, Grace thought she had protected the person she loved most, but was lost again and again. Only then did he realize that his heart had long been occupied by Caesar, and the man who loved him with his life had become an indispensable part of his life.