Can Wei, a Chinese girl who grew up in a small town in New York, always has a bright smile on her face. After the death of his adoptive father and mother, he embarked on the journey back to China alone to find his biological parents. Chan Wei met at the airport three members of Prince Star, the super popular idol star group that is popular all over Asia - the kind Jing Xuan, the passionate Shaoxi, and the cold Hoshino. First, she and Jing Xuan brought the wrong luggage to each other, and because she was disguised as a man, she was mistaken for a "pervert" by female fans at the airport. Fortunately, Jing Xuan came to the rescue. Later in the hotel, she grabbed Jing Xuan because she brought the wrong suitcase. As a result, she was mistaken by the three big stars as a "perverted" star chaser and was sent to the police station. It's simply that misfortunes never come singly! After several twists and turns, she met the three of them again. And no one expected that this "boy" who looked carefree was actually a pure and sweet girl with a smile. The kind-hearted Jingxuan sympathized with Canwei's experience and offered to take her in until she found her biological parents...