Huo Shiyue offers Li Yin 100,000 a day to pretend to be his girlfriend, and Li Yin agrees without hesitation! In public, she plays Huo Shiyue's girlfriend, showering him with displays of affection. In private, her mission is to enter the Huo family home, cause as much trouble as possible, and make everyone hate her. What Li Yin doesn't know is that the moment she steps into the Huo household, a fierce romantic showdown quietly begins.