Medical student Jing Nian appears gentle on the outside while remaining independent and resolute within. She and aristocratic scion Lou Xiao know and love each other, yet their two families have past estrangements. People around them hold differing stances, with Fang Yi, Chen Yang, and others constantly creating obstacles due to their respective demands. Lou Xiao consistently trusts and guards Jing Nian, and the two work with one heart to calmly handle all kinds of disputes, properly resolving interpersonal and career difficulties. They bravely withstand family pressure, untie the knot of many years in their hearts, head towards each other with mutual devotion, and finally safeguard their hard-earned sincere affection.