PARK Duk-joon is an old man living by himself       Every night, he suffers from insomnia attacks brought on by disturbing flashes from his dark past       He tries in vain to pray and find solace in religion       His only friend is Mrs       LEE, a church elder who gives him weekly church bulletins       Mrs       LEE invites him to a testimonial at her church       Duk-joon is surprised to see the face of the speaker       He is LIM Gwang-han, Duk-joon’s former superior officer from his days as a police interrogator in the 80s       They meet for the first time in years, Gwang-han brings up Duk-joon’s painful past again