Sung-soo has everything a man could want: a beautiful wife and children, a comfortable home and luxury car, and plenty of money in the bank. When he learns that his estranged brother, Sung-chul, has gone missing, haunting memories of their troubled past urge him to visit his brother’s apartment in search of answers.

A growing friendship with their neighbors softens the resolve of a group of North Korean spies who are posing as an ordinary South Korean family.

A secret, passionate affair happens in the summer of 1969 between Colonel Jin Pyeong, trapped in a loveless marriage with Soo Jin, and Jong Ga Heun, the Chinese-Korean wife of Captain Kyung Woo Jin.

A reclusive elderly poet feels the fire of his youth when gamine schoolgirl Eun-gyo enters his life, to the chagrin of the old man's assistant.