It's a bright Summer's morning when the first social media star is found dead in the river. Within hours, to compound the problem, the second body is found. Moss and Williams must try and unravel the complicated lives of these social media darlings. The business deals they have done, their sex lives and even their living arrangements mean this case is more complicated than anything they have faced before. They have to try and work out what is fake and what is purely for show.