Above the clouds, there is a casino in heaven, where the gods make bets on the joys and sorrows of the human world. In one of the bets, about "whether true love exists", the gods chose a human baby boy, Wang Sangui (played by Hu Xianxu), and gave him a strange curse: anything he kisses will fall asleep immediately, unless he kisses true love. After Sangui's curse was discovered, he was regarded as an alien by the residents of the town. He embarked on a lonely journey and came to Baishi City, where he met three girls who changed his destiny, Yuyu (played by Zhou Ye), Xia Jie (played by Yao Chen), and Tingting (played by Zhou Yiran). He also accidentally discovered that the beautiful and peaceful Baishi City also hides an unknown dark hinterland...