Glass Onion A Knives Out Mystery Watch Online. Intrepid detective Benoit Blanc finds himself at a lavish private estate on a Greek island, but how and why he comes to be there is only the first of many puzzles. Blanc soon meets a distinctly disparate group of friends gathering at the invitation of billionaire Miles Bron for their yearly reunion. As in all the best murder mysteries, each person harbors their own secrets, lies and motivations. And when someone turns up dead, everyone is a suspect.