The 2023 South Korean horror-thriller (original title: Jam ) has emerged as one of the most discussed psychological films of the year, lauded for its unique take on the "somnambulist" or sleepwalking subgenre. Directed by Jason Yu (a former assistant to Oscar-winner Bong Joon-ho), the film stars the late Lee Sun-kyun ( Parasite ) and Jung Yu-mi as a young couple facing a terrifying domestic crisis. Plot Summary: "Someone’s Inside"