An Jing, the only daughter of the An Group, returns to China after seven years of studying abroad, only to be mistaken by Xiang Nannan, the girlfriend of her childhood friend Lu Zhen, for Lu Zhen's unattainable first love. As a result, she becomes the target of inexplicable hostility. Lu Zhen's baseless accusations and Xiang Nannan's deliberate online harassment plunge An Jing into a storm of controversy. Her childhood sweetheart Pei Ye stays by her side, protecting her at every turn. He even pretends to publicly announce that he is her boyfriend to help her out of the predicament. As they spend more time together, he finally reveals the deep feelings he has kept hidden for years. It turns out that An Jing and Pei Ye have secretly loved each other all along, while Lu Zhen's obsessive affection has always been nothing more than wishful thinking. In the end, An Jing stands up to Xiang Nannan and gets the justice she deserves, while she and Pei Ye finally confess their long-held feelings and become a couple.