Song Xi got drunk and mistakenly believed she had a flash marriage. After the marriage, she discovered that her cheap husband was actually the stern and old-fashioned Bingshan eldest brother Jing Zhuo. Unknowingly, she struggles to adapt to marriage, while Jingzhuo, who has had a crush on her for many years, carefully hides his identity and weaves a sweet trap with tenderness. When the vest fell off, she realized that this marriage that was caused by a strange combination of circumstances was his deep love that he had planned for a long time.