Thirty-year-old college lecturer Shu Qiao is about to marry her long-term boyfriend and fiancé, successful banker Hu. The future has been written for her. However, during a visiting scholar programme to Europe, Shu encounters theatre director Fan in Prague, with whom she falls hopelessly in love.
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.
