Time Travel: Silly King and Dumb Concubine

Yan Yu was born with supernatural powers that she didn't know she had, but her powers turned into stubborn illnesses that made her a top student. Good luck never happened to her, but bad luck always accompanies her. She accidentally traveled through time and became the mute daughter-in-law of the prime minister's palace, and was forced to marry the stupid Prince Rui. Her husband Ling Feng, the Rui King of the Fantasy Realm, was originally the crown prince appointed by the emperor. He was smart and wise before he was four years old, but after he woke up from an injury, he became stupid and mischievous. Yan Yu accidentally got acquainted with the mysterious Xiaoyao Palace Master. Xiaoyao, whose whereabouts are mysterious, whose thoughts are hard to guess, who has a sinister tongue, extremely high martial arts skills and is as wealthy as anyone in the country, ridiculed, intimidated and threatened Yan Yu in all kinds of ways, and forced Yan Yu to help him practice martial arts. The stupid husband is suspected of pretending to be stupid and secretly hiding the royal treasure. Yan Yu innocently falls into an endless battle of wits. Various conspiracies, overt and covert attacks, and designs and frame-ups follow one after another. In order to get out of the predicament, Yan Yu agrees to help Xiaoyao practice martial arts. Can Yan Yu defy the odds and escape the fate of being a scumbag and a hapless ghost? The dumb concubine is not dumb, so is the stupid king really crazy or pretending to be stupid? What is the purpose of the mysterious Xiaoyao? When Yan Yu peeled off Xiaoyao's mask, the truth turned out to be...