This movie is about a strict girls high school whose faculties are all female. After the maternity leave of a chemistry teacher, the principal has to bent the rules for the presence of a male teacher in the girls high school.
According to the police, Negar's father committed suicide. Having had a happy life, Negar suspects that his death has not happened the way it seems. She starts unfolding the truth through an unconventional investigation.
Mina Bozorgmehr and Farhood Zandi are two young lawyers who start working at them same time. They share an apartment, but Mina thinks that Farhood is a author and Farhood thinks that Mina is a photographer.