Young-ho doesn't have any dreams for his life. He has been studying for three years to enter a university. He decides to send a letter to his childhood friend So-yeon. But her younger sister So-hee receives the letter instead of her sick sister. So-hee writes back to Young-ho, pretending to be So-yeon. Meanwhile, So-hee takes care of her sick sister and also runs a secondhand bookstore with her mother.
Four young men want to leave their dystopian world behind and go to a distant paradise to execute a money robbery, a daring act that will have unexpected consequences.
Jung-yeon receives a tip-off that her son who went missing six years ago is in a fishing village. Local officers get in her way, trying to cover up a secret that might be related to her case.
A delivery man has to flee for his life when he is framed for the assassination of a political candidate and the evidence against him begins to accumulate.
Crown Prince Sado spirals down due to his own insanity and his father King Yeongjo's complex.
A group of city dwellers make a trip of three days and two nights into the isolated countryside to visit a friend in the hills. Their true nature begins to reveal itself: love hidden but never forgotten, primitive desires suppressed in the city, nasty pride that triumphs only over the weak and a strong will for survival that sacrifices even love and friendship.