Atafeh and her brother, Mehran, have grown up in a home filled with music, art, and intellectual curiosity. Atafeh dreams of fame and adventure, and she and her best friend, Shireen, explore Tehran’s underground scene with youthful exuberance and determination to be themselves. Meanwhile, Mehran returns home from drug rehab, and renounces his former decadent life with a vengeance. His once obsessive practice of classical music soon finds more destructive outlets.
Having lost his parents’ trust, Mehran is jealous of Atafeh’s loving relationship with their father and tries to find new meaning in his life. He relentlessly watches his family and slowly becomes estranged from them. As Mehran disapprovingly observes a budding relationship between Atafeh and Shireen, he becomes obsessed with saving Shireen from his sister’s influence.
The once close siblings find themselves at dangerous odds with each other. As violence and desire collide, the once safe haven of the family home becomes increasingly claustrophobic and threatening.