Bu Han Lu is a high school girl who thinks her sister is abducted by aliens. She accidentally encounters Lin Qian Yu, a handsome school bully, and they form a rough relationship. Eventually, the astronomy club attendees become a group of close friends and together inspire one another to realize their dreams and discover the real truth.

讲述了少女卜涵鹿（吴芊盈 饰）一直相信自己拯救过世界，坚信姐姐被外星人掳走，为了救回姐姐一直孤单承受着周边人的误解，直到校霸林千与（刘家祎 饰）与一群朋友们的出现，才让她的生活不再孤独，也终究找到属于自己的男主角，谱写青春新篇章。