After the separation from his girlfriend, the unsuccessful writer Paul moved into his new apartment. Lonely and lethargic, he tries to divert himself by writing, when one evening he makes a strange observation in a window of the opposite apartment. Despite initial distrust, he does not pay much attention to the voyeur. When he finds a blank Polaroid in his mailbox and gets unanswered calls shortly afterwards, the unpleasant feeling in Paul grows that something may not be right.
