Only with sincerity can one win the sincerity of customers. This is an eternal truth. In the winding small town of Rocklin, there is a Chinese restaurant – Joy House. The owner and chef, Mr. Zhang, with a flawless heart of a pure child, strives for perfection in every detail. Coupled with the rich and profound essence accumulated over time, in the midst of the smoky aroma, he touches the essence of Chinese cuisine and cooks exquisite dishes, touching the hearts of countless diners.