The film tells the story of the romantic experience of the hero Painiu (che Taixian) and his new "savage" girlfriend Xing Xing (Song Qian) from falling in love to getting married. Xing Xing is his first love in primary school. Because he is not fluent in Korean, he is often bullied by his classmates around him. At first, Petunia could not forget her ex who broke up and parted, until one day, after he met his first love star again, he went into marriage with her in spite of the opposition of the people around him, but he was faced with unimaginable troubles.