Jiang Shang experienced a catastrophe as a child and was taken in by the bar owner Xin Zi after being separated from his only family and sister. Because his sister was a bartender, Jiang Shang is very talented in bartending, but she can't make out her favorite "Yu Linglong" wine. While working as a bartender, Jiang searched for his sister's whereabouts. Finally, he met his sister in a "comparison" with bartenders in the bar industry. The two brothers and sisters recognized each other and won the competition and saved Xin Zi's bar.