Van der Valk, Season 4: Episode 6 Preview

The investigation continues after a scientist is killed. After more shocking murders, seemingly by a professional killer, the team move in on billionaire Freddie Klink. Is he the mastermind? Could he be trying to stop a medical breakthrough from becoming public? The Season 4 finale premieres Sunday, October 20 at 10/9c. #vandervalkpbs #masterpiecemystery #masterpiecepbs #marcwarren #maimiemccoy Subscribe to the MASTERPIECE Mystery! Insider email newsletter to get updates on your favorite British mysteries: https://www.pbs.org/wgbh/masterpiece/... For more videos on other shows from MASTERPIECE on PBS, make sure to subscribe to our YouTube channel: https://www.youtube.com/user/masterpi... Explore exclusive online features, cast interviews, videos and more on the official Van der Valk on MASTERPIECE on PBS website: https://www.pbs.org/wgbh/masterpiece/... Follow MASTERPIECE on social media for behind-the-scenes extras and more! MASTERPIECE on PBS on Facebook:   / masterpiecepbs   MASTERPIECE on PBS on Twitter:   / masterpiecepbs   MASTERPIECE on PBS on Instagram:   / masterpiecepbs