Mo Yutian, an introverted high school student with few friends, met two aliens, Yan Eunjun and Mu Hyuk. They were irreconcilable brothers. In order to compete for the energy stone that entered Mo Yutian's body, he became a transfer student in her class. In the process of protecting Mo Yutian, they gradually fell in love with the kind-hearted Mo Yutian. While getting along with Yan Enjun and Mu He, Mo Yutian slowly integrated into the class and became optimistic and confident. At this time, Yan Enjun inexplicably became Lei Xin'er's fiancé, and then Mo Yutian and Lei Xin'er were kidnapped together. The youthful campus was shrouded in human conspiracy.

Tang Hao, a second-generation rich man studying in Milan, made a bet with his buddies to pursue the Italian beauty Claudia, who he met unexpectedly. However, he unexpectedly encountered family decline and became depressed. With the help of Luo Xi and Claudia, , and finally succeeded in getting out of the trough. In order to find Luo Xi, he resolutely left Italy and embarked on a journey to China.