Black and White Pet World tells the story of Xu Xuyao and Cao Ruilin. They first meet in a bar, but later Cao Ruilin discovers that he's only a substitute, not the white moonlight in Xu Xuyao's heart. Xu Xuyao investigates and finds out that Cao Ruilin was the white moonlight he once loved all along. He tries every possible way to beg Cao Ruilin to come back, and after an accident, the two successfully reconcile and get back together.
