Moonshine and Valentine follows the story of Guan Pipi, a cynical intern at a newspaper agency who is tasked with interviewing the mysterious Helan Jingting. Helan is the leader of the Fox Clan, a supernatural being who has been searching for his human lover, Hui Yan, for centuries. Due to a curse placed upon her, Hui Yan dies a tragic death in every lifetime before she reaches the age of 25. As Helan enters Pipi's life, he becomes convinced that she is the reincarnation of his long-lost love. Despite Pipi's initial skepticism and her existing relationship with her childhood friend, Helan persists in his efforts to protect her and win her heart. The series explores themes of destiny, sacrifice, and the enduring nature of love as Pipi begins to uncover the truth about her past and the supernatural world surrounding her.