Is love nothing but an illusion mix of memories and imagination? A boy meets a girl on Green Lake, a famous dating spot in Taipei. Mesmerized by the beauty of the girl, the boy spares no effort in getting closer to her. When the boy finally gets a moment alone with the girl on a rowboat, it become evident that, despite the obvious chemistry among the couple, the most unforgettable moments are better left unspoken. As the story comes to an end, what really happened on that beautiful summer day remains mysterious.