Kilasan Singkat : When a pandemic breaks out, Li You is given a long vacation while Xiao Xiao is forced to remain in a city that she does not know well. A strange atmosphere hangs over the urban landscape. The two of them wander the streets in search of fun things to do. Meanwhile, their emotions, state of mind, ethical values, and physical instincts gradually become tools of desire. Once they have indulged in their pleasures and their euphoria reaches a climax, what else is left for them to set their hearts on, apart from the marks they have left on the city?