How to Get Away with Murder season 6 review: Annalise Keating and team end things neatly, but minus the 'nasty'

After five seasons of tantalising twists and turns, where courtroom drama and blood-soaked mysteries forged sinful alliances, How to Get Away with Murder reaches its conclusion, with Annalise Keating now at loggerheads with her team of rookie lawyers as they forge polarising paths in their quest to uncover the murder of one of their own.