Showing Prime Time by Liza Marklund

On the shortest night of the year, thirteen people are due to film a prime time TV series but on the morning of Midsummer's Eve, the brightest star in Swedish television is found shot dead in a mobile control room.
Newspaper reporter Annika Bengtzon is drawn into the investigation where she soon learns that one of the suspects is her best friend. As events unfold her personal life starts to take a turn for the worse.
Meanwhile, there's a murderer on the loose - and a terrifying drama about to take place in the public eye.