Fan Fan (Zheng Kai), a veteran in the love field, decided to open a "male god training camp" by chance, using his unique love experience to help those single dogs who are desperate for love to evolve into "best boyfriends". The "practical teaching" at a wedding made the bridesmaid goddess (Zhang Yuqi) moved by the sincerity under the routine, and several apprentices had the love they dreamed of. But as an "expert", Fan Fan's own emotional life is tangled and messy...