When the real young master Qi Yueye, who grew up living in the mountains, was found, he brought his childhood sweetheart Zhai Ya to the big city to make a living. They became working partners, making milk tea and working diligently every day. By coincidence, he joined the Su family as a housekeeper, and Zhai Ya was temporarily hired to play the role of the Su family's granddaughter. The two work together to resolve various conflicts in the family, causing all kinds of jokes from time to time. In their free time, they work hard on the side to make money. They don't like hypocritical social interactions. With their straightforwardness and sincerity, they gradually win the favor of the family.
