Crime writer Ellison Oswald (Ethan Hawke) discovers a series of disturbing murder tapes involving entire families. As he digs deeper, Ellison uncovers the most horrific tape of all and vows to solve the mystery behind the killings. Stream Sinister on the Paramount+ Premium Plan. The stars have aligned. Paramount+ is the streaming home of SHOWTIME. Try Paramount+ for free today: prmntpl.us/PPlusYT Subscribe to the SHOWTIME YouTube channel: goo.gl/esCMib Subscribe to the Paramount+ YouTube Channel: @paramountplus About: Ethan Hawke plays a true crime novelist who discovers a box of mysterious, disturbing home movies that plunge his family into a nightmarish experience of supernatural horror. Get SHOWTIME merchandise now: s.sho.com/33FGC1D Follow SHOWTIME on Facebook: facebook.com/showtime Follow SHOWTIME on Instagram: instagram.com/showtime Follow SHOWTIME on TikTok: tiktok.com/@showtime Follow SHOWTIME on X: twi...