Two twin women, a man, a dog, and a letter. Leading their own lives, but sometimes accompanying each other or running away from each other. Some lose their legs, some die. They guessed about each other in the process in which time, space, seasons, lies and facts were mixed up. But, all of their guesses are wrong. Not knowing their whereabouts and themselves with full of unknown ambiguity. But, they move on and on.
Kyung-hak, who has been studying to become a police officer, is forced to pay back his mother’s debt of $20,000. Already struggling and having to work part- time while studying, Kyung-hak is now forced to make big monthly loan payments on top. Eventually, Kyung-hak stops studying and becomes a deliveryman to make ends meet. Meanwhile, cracks start to form in his relationship with his beloved girlfriend Hye-jin.