On his first day as a fourth-grader, Sune is welcomed by an unwanted surprise. A new boy is in his seat, and he's everything Sune wants to be. Not only that, but his name is also Sune - it's the worst possible start to the fourth grade.
Ya?ar, a young man, has a hard time after his father's death. His inheritance from his father causes Ya?ar to have problems with his stepmother. Meanwhile, Ya?ar learns that her sister-in-law, Canan, who is living in the same house, is in love with her. While Ya?ar is dealing with the inheritance issue and his sister-in-law, he realizes that there are some strange events at home. Yasar's mentally disordered daughter Efsun's dark past is unearthed, making things even more complicated. The pain of the family, who had to face the dark past of Efsun, is just the beginning for them.