Barista Xia Wan and architect Gu Yanchen bonded over a cup of coffee and warmed each other amidst the hustle and bustle of the city. From rainy night repairs to recipe crises, the two supported each other in the aroma of coffee, and their relationship became increasingly mellow. They used slow time to fight against the fast pace, and in the bitterness and sweetness of life, they finally baked a warm and firm love.