Famous crime writer Selรงuk Gรผnes was thrown from the terrace of Gรผnes Apartment, where he lived, and his assistant Melisa Soyer was stabbed in the back. No one enters and leaves the apartment; The killer is an insider. Selรงuk Gรผnes's younger son Mahir, who is burning with dreams of becoming an actor, his elder son Deniz, a gambler, Hako the doorkeeper of the apartment, Fotini, the Greek fortune teller and Sermin, who live in the entrance flat, are the suspects. As the research deepens, the secrets of the people living in the apartment and the ghosts in their past will be revealed one by one.