People who spend the New Year together will never forget it for the rest of their lives. On New Year's Eve, Lu Lushan (Mao Xiaotong), a hotel manager working alone in a foreign land, and Jiang Yu (Yang Jue), who is starting a business, met because of a promotion event. The two appreciated each other, and their feelings quickly heated up in the fireworks of New Year's Eve, and they started a relationship. Like countless ordinary couples, they went from being inseparable to having nothing to say and the gap between them gradually appeared. In just one year, they couldn't escape the "itch". It seems that the two people are not as suitable as imagined. She is enthusiastic, capable, longs for a sense of security, and has clear goals in life; he is dull, introverted, immature and childish, and thinks the future is a bit simple. The pressure of reality and emotional confusion broke out together on the second New Year's Eve spent together...