In Pursuit of Eternal Fame - S1.E19

Timur Karadağ... 34 years old... Lead singer of the rock band Novus... On the night of the launch of the band's new album, he was found dead in his bathtub, electrocuted. It didn't take long to realize that what looked like an accident at first glance was murder.
 What had happened on the launch night? Was Timur going to get back together with his ex-wife Alev? Did his girlfriend Maya know about this? What was the reason for the fights between the band's guitarist Rüzgar and Timur? Was Timur planning to get rid of the record label and his manager Derin? What did Kenan, who wrote Timur's biography, learn?