Song suffered from the cold treatment of her stepmother and biological father, but successfully lost eighty catties to experience a rebirth. Meeting President Qin on a blind date, the two had a flash marriage and signed an agreement to keep their distance in public. Pressured by elders to live together, they gradually fell deeply in love. She cared for her grandmother and searched everywhere for her long-lost younger sister. After going through dangers in the deep mountains and overcoming hardships together, the bad guys got punished and her sister was safely found. The two who initially only had an agreement broke through their barriers, shed the shackles of the contract, and harvested a true love of running toward each other.