Chi Qing is a genius who was sent to a mental sanatorium, and Song Xin is a top doctor working in the mental sanatorium. Chi Qing hopes to use Song Xin to remove his label of mental illness, but Song Xin reluctantly accepts to use Chi Qing to improve work efficiency. An agreement was reached. Song Xin was responsible for clearing Chi Qing's reputation as a madman, while Chi Qing used his super high IQ to find ways to defeat various mental patients. Song Xin has an ex-boyfriend who is pestering her, and Chi Qing has an adopted sister who has ulterior motives for him. Love is so troublesome! Add one more thing to the agreement, fake love. But the agreement may be for life.