Kelly Yuan-Ling Yang

Yang Ruyi (32), a fashion magazine photographer, lives with her elder sister Yang Ruxing (33), a rational, introverted detective fiction author. Ruyi has inadvertently photographed a couple making madly passionately love. Few days later in a shopping center not far from her home, she finds the woman already married, leading a child and is with a different man. Ruyi shares her secret with Ruxing who is suffering from writer's block. The two sisters begin to observe the couple. (imdb)