In a certain town in the Joseon Dynasty, there was a secret that could not be told to the well-to-do 'rabbit' Doryeong... It's cheap too fast, it recovers too quickly! Do-ryung, a rabbit who suffers from unsatisfied sexual desires every day, accidentally witnesses the affair of his housemate 'Turtle' and secretly summons the turtle, expecting that the turtle will satisfy him. However, the turtle suddenly makes a bet....!