While attending a friend's party, Shabnam, an accomplished photographer, receives the message that her brother Hamed, a well-known war photojournalist, has been critically injured. To help calm her down, one of Shabnam's friends offers her a sedative. However, as her sense of reality begins to shift, Shabnam realizes that the drug she ingested was in fact a potent narcotic. So begins her descent into a night of altered perception where reality morphs into illusion. While she waits for the effects of the drug to subside, a police squad is sent in to raid the party. In an effort to escape the authorities, Shabnam risks climbing over a banister on the eleventh floor. Still under the influence of the drug, she is visited by the spirit of her brother who is trying to bring her back to reality.