Why Did I Have a Flash Marriage Just to Do You a Favor?

Du Xueer never expected that she was just going to the blind date on behalf of her best friend out of loyalty, but she was actually forced to sign the marriage contract by that cold and heartless man. Suddenly becoming the daughter-in-law of a wealthy family, Du Xue'er faced open and covert attacks from all directions. Du Xue'er, who tried her best to cope with it, suddenly found out why her husband, who seemed not to be trifled with, seemed to be silently protecting her?