was supposed to interview Can Manay but after going through an accident she passes the task to her assistant. Murat Yılmaz (Efecan Şenolsun) (Fi), a university student and Bilge's schoolmate with whom she has a sexual relationship for a night. Melis (Tuğçe Baltalı) (Fi), Murat's girlfriend. Gülay Güzelce (Nihal Menzil) (Fi, Çi), the person who adopts and raises Özge after she lost both of her parents. Numan (Şahin Ergüney) (Fi, Çi), a retired police agent and the man whom Sadık is most close to. Furkan (Enes Atış) (Fi), a computer engineer that runs the magazine site together with Özge. He loses his life in the tenth episode. Alara (Nesrin Cavadzade) (Fi) Işıl (Sezin Akbaşoğulları) (Fi), Özge's friend and a lawyer. She enters the series in the tenth episode and helps with releasing Özge from the police station. Billur (Nur Fettahoğlu) (Çi), Can Manay's former girlfriend. Guest appearances Sıla (Özge Özpirinçci) (Fi), Can's girlfriend in the first five episodes. Tuğrul Paşaoğlu (Burak Sergen) (Fi) Serra (Gerçek Alnıaçık) (Fi) Komedyen (Cem Yılmaz) (Fi), a consultant who thinks that he is no longer funny and who comes to therapy with Can Manay. Mithat Şahin (Özgür Emre Yıldırım) (Fi) Nazlı (Ece Dizdar) (Fi), a woman who works in a bank and enters negotiating about an art center with Deniz. Yıldız Kolhan (Songül Öden) (Fi), Sadık Murat Kolahn's wife. As her marriage to Sadık starts to fall apart, she goes to therapy with Can Manay and eventually takes her own life. Sadık makes her death look like a heart attack rather than a suicide. Format Unlike the Turkish TV series that were broadcast in the same period, Fi was broadcast on Puhu TV, an online series platform on internet, with 60-minute uncensored episodes. Episodes of the series were published on Puhu TV's platform in 4K resolution Ultra HD and free of charge. Because the series was broadcast on the internet and there was no opportunity to advertise on the internet as it was on television, there were advertisements of some brands on many scenes of the series' episodes. Examples include a commercial for Vodafone labeled as "Vodafone Arena" in one scene, and Can Manay's decision to buy a Samsung phone after seeing an advertisement for the phone with the motto "removing the borders". The main story of the series revolves around Can Manay, the main character, and tells the story of the transformation of all