Sky original drama Riviera looks like it will help liven things up when it returns next month but until then, we have a gripping trailer to whet our appetite.Season three of the fast-paced and action-packed show will return in mid-October and we see Julia Stiles’ character Georgina getting further entangled in chaos.She’s joined by returning cast members Poppy Delevingne and Jack Fox as well as new cast member Rupert Graves who plays her charismatic new ally Gabriel Hirsch.It’s been a year since