6.9 Secretly, Greatly English Subtitle – 2013 Jun. 05, 2013 Secretly, Greatly English Subtitle – 2013 IMDb: 6.9 2013 124 min 136 views Secretly, Greatly English Subtitle As a North Korean sleeper cell agent, Ryu-han infiltrates the South and assumes the role of a village idiot in ... ActionComedyDrama