On the third business day, they sell the new menu item, potato cream tteoksagna. They plan to sell it for just five servings, but it becomes more popular than they expected, so it becomes a regular menu item at Space Rice Cake. Also, they have to serve a large group of 16 customers for dinner time. And they decide to serve the customers with a rice cake omakase course menu. They have to pull together and serve the course menu without any mistakes. But their plan seems to be ruined.

After wrapping up intensive training for three brand-new menu items, the Earth Arcaders face an unrelenting "prep inferno." With piles of ingredients showing no sign of shrinking, sorrowful groans turn into spontaneous work songs echoing across the bustling kitchen. Even when they run on fumes, their variety-show instincts remain sharper than ever. Sparks fly through an unexpected kitchen romance between Cheol Yong and Jeong Hye. Will they survive the mountain of prep work and open the shop on time?