Xiang Yun was originally a cloud, but was turned into a fairy by Yue Laodian, and started working in Yue Lao Pavilion. Chu Kong is a disciple of the Uri Xingjun constellation. He strayed into Yue Lao Pavilion and was treated as a villain. Chu Kong accidentally broke Xiang Yun's fan, so the two quarreled and accidentally messed up the red string, which led to the marriage of the three worlds. The Jade Emperor knew about the chaos, and his punishment to them was that they could not go back to heaven until after the seven lives of love, and so their story began.

A quirky jianghu heroine meets a lonesome lord who has no emotions and no senses. Through a mixup, a "sweet" destiny begins when he finds the woman with the ability to make him feel. After getting lost again due to her poor sense of direction while on a run from the people after her, Lin Chi mistakenly gets on the carriage owned by Mo Qing Chen. Through an accidental touch, Mo Qing Chen, a man who was born without any feelings, is given a "key" to perceive the world. The unexpected turn of events marks the start of a relationship that begins from a contract and deepens as they gradually grow to become lovers.