Qi Yi (played by Aaron Yan), CEO of GAZE, is an extremely picky "lion". Because of the "love ban" he issued, Cheng Liangliang's (played by Guo Xuefu) good sister Liang Kate and her boyfriend Alex cannot get married. In order to avenge Kate, Cheng Liangliang and her best friend Princess formulated a plan called "Lion Hunting Operation", the purpose of which is to make "Lion CEO" Qi Yi fall in love with Liangliang, and then lift this cold-blooded love ban. For various reasons, Cheng Liangliang and "Lion" Qi Yi live together. During this period of cohabitation, Cheng Liangliang not only has to endure all of Qi Yi's harsh demands, but also has to resolve various conflicts and crises caused by cohabitation, just because she has a mission in her heart, which is to make the "lion" fall in love with her. Will the cold-blooded animal Qi Yi, the love ban in his heart, be broken by Cheng Liangliang, who has 100% combat effectiveness?