Yengeç Oyunu (Crab Play) tells the story of women from a small city, trying to survive. Asya (Ayça İnci) who is a History assistant professor at Istanbul University moves to a town taking her 5-year old daughter İpek, hoping to build a new life. in a little while Asya finds a job at the University and finds herself in an unusual project along her students. A project that will change their life. While investigating old Ottoman documents, they discover a murder case which grabs their attention. At the time seen as an honor killing the suspect has been acquitted. While Asya and her students investigate and find various aspects of this murder, they fight with their own demons as well as those of Turkish society.

The story follows Güven, who works as a manager at an accounting firm in Kavşak. Güven, who has a happy marriage, sees his routine life begin to unravel when the new department manager, Arzu, moves into his office. Meanwhile, the landlord's son is trying to reach an agreement with a contractor to demolish the house they are living in, and accounting clerk Haydar is embezzling company funds. A small slip-up in Güven's life, combined with Arzu's uncontrollable curiosity, causes events to unfold like a snowball effect, leaving Güven cornered.

Housewife Dilek suddenly starts to feel the presence of something abnormal in her house. Her husband Omer refuses to agree, and the situation worsens. The couple discover that an ancient paranormal creature called Jinn has cursed on Dilek. They seek a cure but instead they learn of Dilek's demons.