The film portrays three couples on the eve of Nouruz, the Iranian New Year. Rouhi, a young woman who is about to get married, takes a small job as a cleaner in an apartment in northern Tehran to finance her marriage. When she arrives in that apartment, she finds herself in a heated dispute between Mojdeh and Morteza. Mojdeh suspects her husband Morteza of cheating on her and her neighbour Simin, and obliges Rouhi to shadow them. Rouhi gets more and more between the fronts of the fighting couple.