晏昕是一个非常喜欢开放式性关系的上班族，和不同的男生打炮是他最喜欢做的事。云飞是一个喜欢跟踪的男生，跟随，偷拍，窥探别人的隐私是他的人生乐趣。一次不经意的相遇，云飞对晏昕产生了好奇，开始偷偷跟踪与偷窥晏昕。在一次约炮中，晏昕遇到了一个变态，生命危在旦夕，目睹一切都云飞该会何去何从?

晏昕是熱愛開放式性關係的上班族，和不同的男生維持著肉體關係是他最喜歡做的事。雲飛是一位喜歡跟蹤他人的男生，偷拍與窺探別人的隱私是他的一大樂趣。某次不經意的相遇，雲飛對晏昕產生了好奇，於是他開始嘗試走入晏昕的生活。

Yan Xin is an ordinary white-collar worker. He really likes to have sex with different guys. Yun Fei is a stalker, following, taking pictures and spying on others' privacy is his biggest hobby. From time to time, Yun Fei became curious about Yan Xin and started to follow him. During a date, Yan Xin met a pervert and his life is in danger. After witnessing everything, what should Yun Fei do?