The Enchanting Concubine, the Charming Prince, Don't Stand in the Way

In order to take revenge, she faked her death and escaped, becoming a famous killer. Returning again five years later, she hid herself and spread hatred everywhere, and was called the little devil in the world. What I don't understand is that she let that cold general take the blame for five years, but why does he keep helping her? Later, she realized that he had always had her in his heart. After life and death, and the emperor granting her a marriage, she decided to spend the rest of her life with him. On her wedding day, her stepsister did not hesitate to get along with the demon in order to kill her. On what was supposed to be a happy day, her brother's death and Di Wuxiu's betrayal caused her to completely collapse. Once possessed, blood flowed into a river on the wedding day...