The corridor is the story of two middle-class old sisters with opposite characters who have to live together. They are carried to loneliness, they can not socialize neither to each other nor to anyone else, even though they have been trying different methodologies to surpass this situation never developed a solution, at the end they fall into desperate situation and wicked behaviors.Müyesser is the older of the sisters. She is in her early 70's. She has never been married. She is the dominant character of the house. She is the one who runs the house and her sister Zeliha. It is Müyesser's job to do the rough work of the house, to go out shopping, to carry the gossip from the outside to the house, to quarrel with the neighbor. Müyesser, who gave meaning to her life with lofty aims such as taking care of the house, taking over the administration in places where her mother was missing, and taking care of her father, who fell ill in time, now compiles and gathers her sister, who moved with her after her husband died, but over this, she establishes absolute dominance over her sister.Zeliha is the younger of the sisters. She is in her late 60's. After her husband died, she moved to her older sister's house which was their parents' house. Unlike her sister, she does not have an initiative character. She makes you think that she can't live without her older sister. Although Zeliha seems to be suffering from her older sister's dominant character, she actually takes advantage of all the blessings of this, and completely places the heavy burden of life on her sister, who willingly takes this responsibility.The sisters are always arguing even for small reasons such as the egg for breakfast being soft or overcooked at the meal prepared by Müyesser. They have problems with the downstairs neighbor because they stubbornly do not fix their leaking bathrooms. They resist not to make a salary increase to Emine, the woman who has been cleaning their house for a long time. As a result of this resistance, they are also abandoned by Emine and they cannot find a new housekeeper. The house is falling apart, getting out of control. They both need to meet with people, but no one visits them or even knocks on their doors anymore. Even their closest relative, Bilal, hesitates to invite them. Feelings such as envy and malice in the sisters take over them more and more.The two sisters who are imprisoned inside the house and the hell of the past, try to find a way out from this evil feeling and daily hysteria they are stuck in. However, due to their age and their wounded and sick feelings, they no longer have the ability to overcome this helplessness and establish a healthy relationship with the outside world.