Liang Qu is a chic, self-assured, and aloof—yet charming—half-cat, half-human. He became a cat-man when an older cat-man accidentally bit him while he was in cat form, and it takes nine years for him to become human again—all without anyone discovering his secret or him falling in love. His first love, Miao Xiao Wan, is an honest woman who created an app that translates cat sounds and language, but it has unexpectedly caused huge problems since its release. So she seeks the help of Liang Qu, who is now a cat researcher.