Emad and Rana are a married couple who both work in the theatre, currently starring in a production of Death of a Salesman by Arthur Miller, with Emad portraying Willy Loman and Rana playing Linda. Emad is also a popular instructor at a local school, where the youth joke about him being a “salesman.” One night, their apartment begins to collapse and they flee the building with the other residents. Desperate to find a place to live, their fellow actor Babak secures another apartment for them, where a woman has recently moved out, although she left in a hurry abandoning numerous belongings. One night, Rana is home alone and begins bathing. When Emad returns, he finds she is missing and the bathroom is covered with blood. He rushes to the hospital, where he is informed by his neighbours about his wife’s condition and is told to change the apartment’s locks. It becomes apparent that Rana has not had an accident, but has been assaulted by an intruder. Emad also learns from neighbours that the previous tenant was a prostitute who had conflicts with her clients.
Rana returns home, but suffers from trauma and is reluctant to go to the police. She does not bathe, fearing to go into the bathroom again, and in the middle of a performance, breaks down in tears and leaves the stage. Although she does not remember the face of her attacker, Emad finds the culprit left his car keys, which he matches to a pick-up parked outside. The attacker also left behind a mobile phone and money which Rana purchased groceries with, thinking Emad had left it for her. Emad increasingly blames Babak for hiding the truth about the former tenant. After he hears a loving message from Babak on the previous tenant’s answering machine, he calls Babak’s character Charley a degenerate in the midst of a performance, although this is not in Miller’s script.
Finally, Emad turns to one of his students, whose father used to work for the police. He is able to trace the truck to a man named Majid. He pretends to need a mover to lure Majid to their now empty old apartment, but Majid’s prospective father-in-law arrives instead. Gradually, it becomes apparent the older man was himself the intruder, though he denies attacking Rana, implying he simply startled her. Emad calls the old man’s family to the apartment, and locks him in a small room to wait, intending to reveal his true character to them all. When he opens the room the old man appears to be having heart trouble and Emad calls Rana in a panic. When Rana learns what Emad intends, she says it will be over between them if he pursues his revenge
When the family arrives they believe they have been called to a medical emergency, thanking Emad for saving his life. Just before they leave, Emad insists on settling his account with the old man in private, returning the money he had left after Rana’s assault. Unseen by the family, Emad slaps the old man, who then collapses as he is leaving with his family, and they call an ambulance. Rana and Emad return to the theatre together.