Yan Kai owns a pet supplies store. On a stormy night, he kindly takes in a black cat to save it from a typhoon. But the cat’s identity is actually a human, Yu Ran! Not only that, but he’s a magician whose powers have only ever been heard of in legends. As it happens. Yu Ran has been secretly peeping on Yan Kai while in his cat form for a long time, but he never imagined Yan Kai would bring him home himself!