Gu Nancheng, the president of Nancheng Group, once accidentally heard Xiao Meng's singing voice on the app and was moved by it. Later, he ran into Xiao Meng, a fashion designer, who had a heart wrenching voice, at his own subsidiary company. Gu Nancheng, who has always been respected, was fortunate enough to find Xiao Meng when he was harassed by Xiao You, who looked down on him, for wearing a security suit. However, he was rescued by the sincere Xiao Meng. Gu Nancheng tried his best to understand Xiao Meng and transformed into a company security guard to further understand her Xiao Meng was provoked by her sister Xiao You and the man she once liked, so she had no choice but to ask Gu Nancheng to pretend to be her boyfriend and accompany her home. Gu Nancheng successfully helped Xiao Meng confront Xiao You and the scumbag Later on, Xiao Meng encountered repeated difficulties and intentional framing from Xiao You and his assistant Xiang in her work. Gu Nancheng accompanied Xiao Meng to resolve crises time and time again, and gained a deeper understanding of each other in her work. Xiao Meng has also won the recognition of clients and the appreciation of Gu Nancheng with her professional skills. In the end, they both knew their hidden identities. Exchange sincerity for sincerity