Based on the 2013 South Korean film 'Montage', the mystery-thriller follows a 70-year-old man on a quest to unravel the truth of what happened to his granddaughter. He enlists the help of a priest and a police officer to find the people who kidnapped and killed her. 'Te3n' stars Amitabh Bachchan, Nawazuddin Siddiqui, Sabyasachi Chakraborty, Padmavati Rao and Vidya Balan.