Some kind of sadist, but not human, is murdering people. A doctor is convinced that the killings are the evil workings of a reclusive odd baron who died many years ago.
Nathan Christopher Fillion is a Canadian-American actor. He played the leading roles of Captain Malcolm "Mal" Reynolds on Firefly and its film continuation Serenity, and Richard Castle on Castle. As of 2018, he stars as Officer John Nolan on The Rookie and is an executive producer on the show as well as its spin-off series, The Rookie: Feds during its run.