On an urban island in Shanghai, Yoyo starts secretly following Lan Tian. In a parallel world, Lan Tian is quietly observing Yoyo in the distance. Trapped in a twin-towered shopping complex, they experience two variations of encounters, as affections, desires and other feelings start to appear.
In cold wintry Yanji, a city on China's northern border, young urbanite Haofeng, visiting from Shanghai, feels lost and adrift. By chance, he goes on a tour led by Nana, a charming tour guide who instantly fascinates him. She introduces him to Xiao, a personable but frustrated restaurant worker. The three bond quickly over a drunken weekend. Confronting their individual traumas, their frozen desires slowly thaw as they seek to liberate themselves from an icy world.
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?