An ordinary housewife In-yeong meets carpenter Hui-su by chance in a café and for fun they decide to become coffee mates: friends who only meet in cafés and nowhere else. In a café, they share everything, from their daily routines to their deepest secrets, which have never been shared with anyone before.

During the Korean War, a vast amount of money disappeared. Now, some 60 years later, the money has reappeared, leading to a frantic chase across the globe.

With help from a young woman with synesthesia, a cop who lost his sense of pain tracks down the serial killer who brought tragedy to both their lives.

Released after being wrongfully convicted and imprisoned for 13 years, a woman begins executing her elaborate plan of retribution.

With no clue how he came to be imprisoned, drugged and tortured for 15 years, a desperate man seeks revenge on his captors.