Aiman, a 28-year-old Malay correctional officer, is a recent transfer to the territory’s top prison. At his new workplace, he begins to take an interest in a 65-year-old sergeant named Rahim, the charismatic, long-serving chief executioner of the prison. When Rahim’s assistant suddenly quits, he asks Aiman to become his apprentice. Aiman’s sister is upset over his new position as their father was actually executed by Rahim. Apprentice was selected as Singapore’s entry for Best Foreign Language Film at the 89th Academy Awards.